168137313236316 has 36 divisors (see below), whose sum is σ = 425014975645624. Its totient is φ = 56045611303200.

The previous prime is 168137313236287. The next prime is 168137313236351. The reversal of 168137313236316 is 613632313731861.

168137313236316 is a `hidden beast` number, since 1 + 6 + 8 + 1 + 3 + 7 + 313 + 2 + 3 + 6 + 316 = 666.

168137313236316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×168137313236316² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6502431 + ... + 19456521.

Almost surely, 2^{168137313236316} is an apocalyptic number.

It is an amenable number.

168137313236316 is an abundant number, since it is smaller than the sum of its proper divisors (256877662409308).

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

168137313236316 is a wasteful number, since it uses less digits than its factorization.

168137313236316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13314642 (or 13314637 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The spelling of 168137313236316 in words is "one hundred sixty-eight trillion, one hundred thirty-seven billion, three hundred thirteen million, two hundred thirty-six thousand, three hundred sixteen".