168712371516 has 48 divisors (see below), whose sum is σ = 448881791904. Its totient is φ = 48857880576.

The previous prime is 168712371497. The next prime is 168712371517. The reversal of 168712371516 is 615173217861.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168712371517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31805865 + ... + 31811168.

It is an arithmetic number, because the mean of its divisors is an integer number (9351703998).

Almost surely, 2^168712371516 is an apocalyptic number.

It is an amenable number.

168712371516 is an abundant number, since it is smaller than the sum of its proper divisors (280169420388).

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

168712371516 is a wasteful number, since it uses less digits than its factorization.

168712371516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63617070 (or 63617068 counting only the distinct ones).

The product of its digits is 423360, while the sum is 48.

The spelling of 168712371516 in words is "one hundred sixty-eight billion, seven hundred twelve million, three hundred seventy-one thousand, five hundred sixteen".