100881688 has 32 divisors (see below), whose sum is σ = 196853760. Its totient is φ = 48414240.

The previous prime is 100881673. The next prime is 100881709. The reversal of 100881688 is 886188001.

It is a super-2 number, since 2×100881688² = 20354229947458688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100881688.

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, 29895 + ... + 33097.

It is an arithmetic number, because the mean of its divisors is an integer number (6151680).

Almost surely, 2^100881688 is an apocalyptic number.

It is an amenable number.

100881688 is a deficient number, since it is larger than the sum of its proper divisors (95972072).

100881688 is a wasteful number, since it uses less digits than its factorization.

100881688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367 (or 3363 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 40.

The square root of 100881688 is about 10043.9876543134. The cubic root of 100881688 is about 465.5190381106.

The spelling of 100881688 in words is "one hundred million, eight hundred eighty-one thousand, six hundred eighty-eight".