1372587850666 has 16 divisors (see below), whose sum is σ = 2091886119360. Its totient is φ = 675377431200.

The previous prime is 1372587850657. The next prime is 1372587850691. The reversal of 1372587850666 is 6660587852731.

It is a junction number, because it is equal to n+sod(n) for n = 1372587850598 and 1372587850607.

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, 21205971 + ... + 21270598.

It is an arithmetic number, because the mean of its divisors is an integer number (130742882460).

Almost surely, 2^{1372587850666} is an apocalyptic number.

1372587850666 is a deficient number, since it is larger than the sum of its proper divisors (719298268694).

1372587850666 is a wasteful number, since it uses less digits than its factorization.

1372587850666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42476829.

The product of its (nonzero) digits is 101606400, while the sum is 64.

The spelling of 1372587850666 in words is "one trillion, three hundred seventy-two billion, five hundred eighty-seven million, eight hundred fifty thousand, six hundred sixty-six".