100442661237 has 24 divisors (see below), whose sum is σ = 146091370880. Its totient is φ = 66497047200.

The previous prime is 100442661191. The next prime is 100442661251. The reversal of 100442661237 is 732166244001.

100442661237 is a `hidden beast` number, since 1 + 0 + 0 + 4 + 4 + 2 + 6 + 612 + 37 = 666.

It is not a de Polignac number, because 100442661237 - 2⁶ = 100442661173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100444661237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5030568 + ... + 5050494.

Almost surely, 2^100442661237 is an apocalyptic number.

It is an amenable number.

100442661237 is a deficient number, since it is larger than the sum of its proper divisors (45648709643).

100442661237 is a wasteful number, since it uses less digits than its factorization.

100442661237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23793 (or 23790 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 100442661237 in words is "one hundred billion, four hundred forty-two million, six hundred sixty-one thousand, two hundred thirty-seven".