66592485 has 24 divisors (see below), whose sum is σ = 122218200. Its totient is φ = 33426432.

The previous prime is 66592459. The next prime is 66592499. The reversal of 66592485 is 58429566.

It can be written as a sum of positive squares in 4 ways, for example, as 17690436 + 48902049 = 4206^2 + 6993^2 .

It is not a de Polignac number, because 66592485 - 2¹⁰ = 66591461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 66592485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42760 + ... + 44289.

It is an arithmetic number, because the mean of its divisors is an integer number (5092425).

Almost surely, 2^66592485 is an apocalyptic number.

It is an amenable number.

66592485 is a deficient number, since it is larger than the sum of its proper divisors (55625715).

66592485 is a wasteful number, since it uses less digits than its factorization.

66592485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87077 (or 87074 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 66592485 is about 8160.4218640950. The cubic root of 66592485 is about 405.3296812603.

The spelling of 66592485 in words is "sixty-six million, five hundred ninety-two thousand, four hundred eighty-five".