100161056666 has 32 divisors (see below), whose sum is σ = 165029035392. Its totient is φ = 45215170560.

The previous prime is 100161056647. The next prime is 100161056717. The reversal of 100161056666 is 666650161001.

It is a happy number.

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, 1879115 + ... + 1931681.

It is an arithmetic number, because the mean of its divisors is an integer number (5157157356).

Almost surely, 2^100161056666 is an apocalyptic number.

100161056666 is a deficient number, since it is larger than the sum of its proper divisors (64867978726).

100161056666 is a wasteful number, since it uses less digits than its factorization.

100161056666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53174.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 100161056666 in words is "one hundred billion, one hundred sixty-one million, fifty-six thousand, six hundred sixty-six".