168956286552 has 96 divisors (see below), whose sum is σ = 473227397760. Its totient is φ = 54400896000.

The previous prime is 168956286503. The next prime is 168956286593. The reversal of 168956286552 is 255682659861.

168956286552 is a `hidden beast` number, since 1 + 6 + 8 + 9 + 56 + 28 + 6 + 552 = 666.

168956286552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 168956286552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1137552 + ... + 1277472.

It is an arithmetic number, because the mean of its divisors is an integer number (4929452060).

Almost surely, 2^168956286552 is an apocalyptic number.

168956286552 is a gapful number since it is divisible by the number (12) 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 168956286552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236613698880).

168956286552 is an abundant number, since it is smaller than the sum of its proper divisors (304271111208).

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

168956286552 is a wasteful number, since it uses less digits than its factorization.

168956286552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140505 (or 140498 counting only the distinct ones).

The product of its digits is 62208000, while the sum is 63.

The spelling of 168956286552 in words is "one hundred sixty-eight billion, nine hundred fifty-six million, two hundred eighty-six thousand, five hundred fifty-two".