100666807044 has 48 divisors (see below), whose sum is σ = 236749722048. Its totient is φ = 33290119168.

The previous prime is 100666807039. The next prime is 100666807069. The reversal of 100666807044 is 440708666001.

It is a junction number, because it is equal to n+sod(n) for n = 100666806987 and 100666807005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2771827 + ... + 2807909.

It is an arithmetic number, because the mean of its divisors is an integer number (4932285876).

Almost surely, 2^100666807044 is an apocalyptic number.

It is an amenable number.

100666807044 is an abundant number, since it is smaller than the sum of its proper divisors (136082915004).

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

100666807044 is a wasteful number, since it uses less digits than its factorization.

100666807044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37924 (or 37922 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 100666807044 in words is "one hundred billion, six hundred sixty-six million, eight hundred seven thousand, forty-four".