1361508162972 has 24 divisors (see below), whose sum is σ = 3176983150992. Its totient is φ = 453817372800.

The previous prime is 1361508162857. The next prime is 1361508163021. The reversal of 1361508162972 is 2792618051631.

It is a super-2 number, since 2×1361508162972² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 2029929 + ... + 2616032.

It is an arithmetic number, because the mean of its divisors is an integer number (132374297958).

Almost surely, 2^{1361508162972} is an apocalyptic number.

1361508162972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1361508162972 is an abundant number, since it is smaller than the sum of its proper divisors (1815474988020).

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

1361508162972 is a wasteful number, since it uses less digits than its factorization.

1361508162972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670389 (or 4670387 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 1361508162972 in words is "one trillion, three hundred sixty-one billion, five hundred eight million, one hundred sixty-two thousand, nine hundred seventy-two".