100889016872556 has 48 divisors (see below), whose sum is σ = 258025508108928. Its totient is φ = 30427536316800.

The previous prime is 100889016872537. The next prime is 100889016872591. The reversal of 100889016872556 is 655278610988001.

It is a super-2 number, since 2×100889016872556² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 1811135025 + ... + 1811190728.

It is an arithmetic number, because the mean of its divisors is an integer number (5375531418936).

Almost surely, 2^{100889016872556} is an apocalyptic number.

It is an amenable number.

100889016872556 is an abundant number, since it is smaller than the sum of its proper divisors (157136491236372).

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

100889016872556 is a wasteful number, since it uses less digits than its factorization.

100889016872556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622325982 (or 3622325980 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 66.

The spelling of 100889016872556 in words is "one hundred trillion, eight hundred eighty-nine billion, sixteen million, eight hundred seventy-two thousand, five hundred fifty-six".