1372157646668 has 12 divisors (see below), whose sum is σ = 2505679181040. Its totient is φ = 656249309232.

The previous prime is 1372157646659. The next prime is 1372157646689. The reversal of 1372157646668 is 8666467512731.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1372157646668.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7457378423 + ... + 7457378606.

It is an arithmetic number, because the mean of its divisors is an integer number (208806598420).

Almost surely, 2^{1372157646668} is an apocalyptic number.

It is an amenable number.

1372157646668 is a deficient number, since it is larger than the sum of its proper divisors (1133521534372).

1372157646668 is a wasteful number, since it uses less digits than its factorization.

1372157646668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14914757056 (or 14914757054 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 62.

The spelling of 1372157646668 in words is "one trillion, three hundred seventy-two billion, one hundred fifty-seven million, six hundred forty-six thousand, six hundred sixty-eight".