101556660948986 has 16 divisors (see below), whose sum is σ = 160118531141184. Its totient is φ = 48216047213664.

The previous prime is 101556660948949. The next prime is 101556660949027. The reversal of 101556660948986 is 689849066655101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8057488220 + ... + 8057500823.

It is an arithmetic number, because the mean of its divisors is an integer number (10007408196324).

Almost surely, 2^{101556660948986} is an apocalyptic number.

101556660948986 is a deficient number, since it is larger than the sum of its proper divisors (58561870192198).

101556660948986 is a wasteful number, since it uses less digits than its factorization.

101556660948986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16114989205.

The product of its (nonzero) digits is 671846400, while the sum is 74.

The spelling of 101556660948986 in words is "one hundred one trillion, five hundred fifty-six billion, six hundred sixty million, nine hundred forty-eight thousand, nine hundred eighty-six".