168952616336 has 80 divisors (see below), whose sum is σ = 384386112000. Its totient is φ = 70420907520.

The previous prime is 168952616257. The next prime is 168952616351. The reversal of 168952616336 is 633616259861.

It is a happy number.

It is a super-2 number, since 2×168952616336² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 11384441 + ... + 11399271.

It is an arithmetic number, because the mean of its divisors is an integer number (4804826400).

Almost surely, 2^168952616336 is an apocalyptic number.

168952616336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168952616336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192193056000).

168952616336 is an abundant number, since it is smaller than the sum of its proper divisors (215433495664).

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

168952616336 is a wasteful number, since it uses less digits than its factorization.

168952616336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17632 (or 17626 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 56.

The spelling of 168952616336 in words is "one hundred sixty-eight billion, nine hundred fifty-two million, six hundred sixteen thousand, three hundred thirty-six".