61698832256 has 32 divisors (see below), whose sum is σ = 122975014800. Its totient is φ = 30834514944.

The previous prime is 61698832219. The next prime is 61698832337. The reversal of 61698832256 is 65223889616.

61698832256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152021 + ... + 382763.

Almost surely, 2^61698832256 is an apocalyptic number.

It is an amenable number.

61698832256 is a deficient number, since it is larger than the sum of its proper divisors (61276182544).

61698832256 is a wasteful number, since it uses less digits than its factorization.

61698832256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232846 (or 232834 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 56.

The spelling of 61698832256 in words is "sixty-one billion, six hundred ninety-eight million, eight hundred thirty-two thousand, two hundred fifty-six".