1372157646690 has 32 divisors (see below), whose sum is σ = 3466503529920. Its totient is φ = 346650352704.

The previous prime is 1372157646689. The next prime is 1372157646731. The reversal of 1372157646690 is 966467512731.

It is a super-2 number, since 2×1372157646690² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 1372157646690.

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, 1203646489 + ... + 1203647628.

It is an arithmetic number, because the mean of its divisors is an integer number (108328235310).

Almost surely, 2^{1372157646690} is an apocalyptic number.

1372157646690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1372157646690 is an abundant number, since it is smaller than the sum of its proper divisors (2094345883230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1372157646690 is a wasteful number, since it uses less digits than its factorization.

1372157646690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407294146.

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 1372157646690 in words is "one trillion, three hundred seventy-two billion, one hundred fifty-seven million, six hundred forty-six thousand, six hundred ninety".