100381916 has 12 divisors (see below), whose sum is σ = 175806960. Its totient is φ = 50151360.

The previous prime is 100381907. The next prime is 100381927. The reversal of 100381916 is 619183001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3776 + ... + 14663.

It is an arithmetic number, because the mean of its divisors is an integer number (14650580).

Almost surely, 2^100381916 is an apocalyptic number.

It is an amenable number.

100381916 is a deficient number, since it is larger than the sum of its proper divisors (75425044).

100381916 is a wasteful number, since it uses less digits than its factorization.

100381916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19804 (or 19802 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 100381916 is about 10019.0776022546. The cubic root of 100381916 is about 464.7490317210.

The spelling of 100381916 in words is "one hundred million, three hundred eighty-one thousand, nine hundred sixteen".