100660988 has 12 divisors (see below), whose sum is σ = 176256360. Its totient is φ = 50302032.

The previous prime is 100660957. The next prime is 100660997. The reversal of 100660988 is 889066001.

It is a super-2 number, since 2×100660988² = 20265269010272288, which 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 3 ways as a sum of consecutive naturals, for example, 2195 + ... + 14357.

It is an arithmetic number, because the mean of its divisors is an integer number (14688030).

Almost surely, 2^100660988 is an apocalyptic number.

It is an amenable number.

100660988 is a deficient number, since it is larger than the sum of its proper divisors (75595372).

100660988 is a wasteful number, since it uses less digits than its factorization.

100660988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14236 (or 14234 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 100660988 is about 10032.9949666089. The cubic root of 100660988 is about 465.1793165126.

The spelling of 100660988 in words is "one hundred million, six hundred sixty thousand, nine hundred eighty-eight".