101155560101666 has 32 divisors (see below), whose sum is σ = 174288787198848. Its totient is φ = 43133038197120.

The previous prime is 101155560101657. The next prime is 101155560101671. The reversal of 101155560101666 is 666101065551101.

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, 16962155 + ... + 22136526.

It is an arithmetic number, because the mean of its divisors is an integer number (5446524599964).

Almost surely, 2^{101155560101666} is an apocalyptic number.

101155560101666 is a deficient number, since it is larger than the sum of its proper divisors (73133227097182).

101155560101666 is a wasteful number, since it uses less digits than its factorization.

101155560101666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39099626.

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 101155560101666 in words is "one hundred one trillion, one hundred fifty-five billion, five hundred sixty million, one hundred one thousand, six hundred sixty-six".