61607568 has 40 divisors (see below), whose sum is σ = 173622816. Its totient is φ = 18668800.

The previous prime is 61607551. The next prime is 61607603. The reversal of 61607568 is 86570616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57813 + ... + 58868.

Almost surely, 2^61607568 is an apocalyptic number.

It is an amenable number.

61607568 is an abundant number, since it is smaller than the sum of its proper divisors (112015248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61607568 is a wasteful number, since it uses less digits than its factorization.

61607568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116703 (or 116697 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 61607568 is about 7849.0488595753. The cubic root of 61607568 is about 394.9523373564.

The spelling of 61607568 in words is "sixty-one million, six hundred seven thousand, five hundred sixty-eight".