2660393241 has 45 divisors (see below), whose sum is σ = 4376700559. Its totient is φ = 1609264800.

The previous prime is 2660393207. The next prime is 2660393269. The reversal of 2660393241 is 1423930662.

The square root of 2660393241 is 51579.

It is a perfect power (a square), and thus also a powerful number.

2660393241 is a `hidden beast` number, since 2 + 6 + 603 + 9 + 3 + 2 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 762919641 + 1897473600 = 27621^2 + 43560^2 .

It is not a de Polignac number, because 2660393241 - 2⁹ = 2660392729 is a prime.

It is a super-3 number, since 3×2660393241³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2660393196 and 2660393205.

It is not an unprimeable number, because it can be changed into a prime (2660393201) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5106061 + ... + 5106581.

Almost surely, 2^2660393241 is an apocalyptic number.

2660393241 is the 51579-th square number.

2660393241 is the 25790-th centered octagonal number.

It is an amenable number.

2660393241 is a deficient number, since it is larger than the sum of its proper divisors (1716307318).

2660393241 is an frugal number, since it uses more digits than its factorization.

2660393241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The cubic root of 2660393241 is about 1385.6342572364.

Multiplying 2660393241 by its sum of digits (36), we get a square (95774156676 = 309474²).

Multiplying 2660393241 by its product of nonzero digits (46656), we get a square (124123307052096 = 11141064²).

The spelling of 2660393241 in words is "two billion, six hundred sixty million, three hundred ninety-three thousand, two hundred forty-one".