168420264 has 16 divisors (see below), whose sum is σ = 421050720. Its totient is φ = 56140080.

The previous prime is 168420257. The next prime is 168420277. The reversal of 168420264 is 462024861.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3508732 + ... + 3508779.

It is an arithmetic number, because the mean of its divisors is an integer number (26315670).

Almost surely, 2^168420264 is an apocalyptic number.

It is an amenable number.

168420264 is an abundant number, since it is smaller than the sum of its proper divisors (252630456).

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

168420264 is a wasteful number, since it uses less digits than its factorization.

168420264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7017520 (or 7017516 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 168420264 is about 12977.6833063533. The cubic root of 168420264 is about 552.2445618690.

The spelling of 168420264 in words is "one hundred sixty-eight million, four hundred twenty thousand, two hundred sixty-four".