100991694024 has 128 divisors (see below), whose sum is σ = 302836464000. Its totient is φ = 30999843072.

The previous prime is 100991694019. The next prime is 100991694043. The reversal of 100991694024 is 420496199001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1133634 + ... + 1219470.

It is an arithmetic number, because the mean of its divisors is an integer number (2365909875).

Almost surely, 2^100991694024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100991694024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151418232000).

100991694024 is an abundant number, since it is smaller than the sum of its proper divisors (201844769976).

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

100991694024 is a wasteful number, since it uses less digits than its factorization.

100991694024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86284 (or 86274 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 100991694024 in words is "one hundred billion, nine hundred ninety-one million, six hundred ninety-four thousand, twenty-four".