100978208616 has 64 divisors (see below), whose sum is σ = 253845504000. Its totient is φ = 33472916928.

The previous prime is 100978208587. The next prime is 100978208633. The reversal of 100978208616 is 616802879001.

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, 11950105 + ... + 11958551.

It is an arithmetic number, because the mean of its divisors is an integer number (3966336000).

Almost surely, 2^100978208616 is an apocalyptic number.

It is an amenable number.

100978208616 is an abundant number, since it is smaller than the sum of its proper divisors (152867295384).

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

100978208616 is a wasteful number, since it uses less digits than its factorization.

100978208616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11158 (or 11154 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 100978208616 in words is "one hundred billion, nine hundred seventy-eight million, two hundred eight thousand, six hundred sixteen".