61660924 has 12 divisors (see below), whose sum is σ = 116207224. Its totient is φ = 28458864.

The previous prime is 61660919. The next prime is 61660927. The reversal of 61660924 is 42906616.

It is a self number, because there is not a number n which added to its sum of digits gives 61660924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61660927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592842 + ... + 592945.

Almost surely, 2^61660924 is an apocalyptic number.

It is an amenable number.

61660924 is a deficient number, since it is larger than the sum of its proper divisors (54546300).

61660924 is a wasteful number, since it uses less digits than its factorization.

61660924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185804 (or 1185802 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 61660924 is about 7852.4470071437. The cubic root of 61660924 is about 395.0663222503.

The spelling of 61660924 in words is "sixty-one million, six hundred sixty thousand, nine hundred twenty-four".