61600100100056 has 64 divisors (see below), whose sum is σ = 133811027827200. Its totient is φ = 26037894244608.

The previous prime is 61600100100041. The next prime is 61600100100083. The reversal of 61600100100056 is 65000100100616.

It is a super-2 number, since 2×61600100100056² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61600100099998 and 61600100100034.

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, 273959405 + ... + 274184163.

It is an arithmetic number, because the mean of its divisors is an integer number (2090797309800).

Almost surely, 2^{61600100100056} is an apocalyptic number.

It is an amenable number.

61600100100056 is an abundant number, since it is smaller than the sum of its proper divisors (72210927727144).

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

61600100100056 is a wasteful number, since it uses less digits than its factorization.

61600100100056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291888 (or 291884 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 61600100100056 in words is "sixty-one trillion, six hundred billion, one hundred million, one hundred thousand, fifty-six".