100881672640 has 112 divisors (see below), whose sum is σ = 286479032832. Its totient is φ = 33084158976.

The previous prime is 100881672613. The next prime is 100881672677. The reversal of 100881672640 is 46276188001.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×100881672640² (a number of 23 digits) contains 22 as substring.

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, 927534 + ... + 1030573.

Almost surely, 2^100881672640 is an apocalyptic number.

100881672640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100881672640 is an abundant number, since it is smaller than the sum of its proper divisors (185597360192).

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

100881672640 is a wasteful number, since it uses less digits than its factorization.

100881672640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958154 (or 1958144 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 100881672640 in words is "one hundred billion, eight hundred eighty-one million, six hundred seventy-two thousand, six hundred forty".