100616556556 has 6 divisors (see below), whose sum is σ = 176078973980. Its totient is φ = 50308278276.

The previous prime is 100616556533. The next prime is 100616556569. The reversal of 100616556556 is 655655616001.

It is a super-2 number, since 2×100616556556² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12577069566 + ... + 12577069573.

Almost surely, 2^100616556556 is an apocalyptic number.

It is an amenable number.

100616556556 is a deficient number, since it is larger than the sum of its proper divisors (75462417424).

100616556556 is a wasteful number, since it uses less digits than its factorization.

100616556556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25154139143 (or 25154139141 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 100616556556 in words is "one hundred billion, six hundred sixteen million, five hundred fifty-six thousand, five hundred fifty-six".