168341556252 has 24 divisors (see below), whose sum is σ = 413470489600. Its totient is φ = 53160491376.

The previous prime is 168341556239. The next prime is 168341556263. The reversal of 168341556252 is 252655143861.

It is a super-2 number, since 2×168341556252² (a number of 23 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369169852 + ... + 369170307.

Almost surely, 2^168341556252 is an apocalyptic number.

168341556252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168341556252 is an abundant number, since it is smaller than the sum of its proper divisors (245128933348).

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

168341556252 is a wasteful number, since it uses less digits than its factorization.

168341556252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738340185 (or 738340183 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 48.

The spelling of 168341556252 in words is "one hundred sixty-eight billion, three hundred forty-one million, five hundred fifty-six thousand, two hundred fifty-two".