61600559996 has 24 divisors (see below), whose sum is σ = 109213648320. Its totient is φ = 30397004352.

The previous prime is 61600559971. The next prime is 61600560059. The reversal of 61600559996 is 69995500616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695450 + ... + 779006.

It is an arithmetic number, because the mean of its divisors is an integer number (4550568680).

Almost surely, 2^61600559996 is an apocalyptic number.

It is an amenable number.

61600559996 is a deficient number, since it is larger than the sum of its proper divisors (47613088324).

61600559996 is a wasteful number, since it uses less digits than its factorization.

61600559996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85973 (or 85971 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 56.

The spelling of 61600559996 in words is "sixty-one billion, six hundred million, five hundred fifty-nine thousand, nine hundred ninety-six".