61037618928 has 80 divisors (see below), whose sum is σ = 185247060096. Its totient is φ = 17073457920.

The previous prime is 61037618909. The next prime is 61037618963. The reversal of 61037618928 is 82981673016.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4439350 + ... + 4453077.

Almost surely, 2^61037618928 is an apocalyptic number.

It is an amenable number.

61037618928 is an abundant number, since it is smaller than the sum of its proper divisors (124209441168).

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

61037618928 is a wasteful number, since it uses less digits than its factorization.

61037618928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892462 (or 8892456 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 61037618928 in words is "sixty-one billion, thirty-seven million, six hundred eighteen thousand, nine hundred twenty-eight".