100689400672 has 48 divisors (see below), whose sum is σ = 231174669600. Its totient is φ = 43152595584.

The previous prime is 100689400639. The next prime is 100689400697. The reversal of 100689400672 is 276004986001.

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, 4575823 + ... + 4597774.

It is an arithmetic number, because the mean of its divisors is an integer number (4816138950).

Almost surely, 2^100689400672 is an apocalyptic number.

It is an amenable number.

100689400672 is an abundant number, since it is smaller than the sum of its proper divisors (130485268928).

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

100689400672 is an frugal number, since it uses more digits than its factorization.

100689400672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9173628 (or 9173606 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 100689400672 in words is "one hundred billion, six hundred eighty-nine million, four hundred thousand, six hundred seventy-two".