13166361 has 16 divisors (see below), whose sum is σ = 21006720. Its totient is φ = 8102160.

The previous prime is 13166359. The next prime is 13166369. The reversal of 13166361 is 16366131.

It is a happy number.

13166361 is a `hidden beast` number, since 13 + 16 + 636 + 1 = 666.

13166361 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13166361 - 2¹ = 13166359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13166369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18405 + ... + 19106.

It is an arithmetic number, because the mean of its divisors is an integer number (1312920).

Almost surely, 2^13166361 is an apocalyptic number.

It is an amenable number.

13166361 is a deficient number, since it is larger than the sum of its proper divisors (7840359).

13166361 is a wasteful number, since it uses less digits than its factorization.

13166361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37533 (or 37527 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 13166361 is about 3628.5480567301. The cubic root of 13166361 is about 236.1322214645.

The spelling of 13166361 in words is "thirteen million, one hundred sixty-six thousand, three hundred sixty-one".