164363320 has 32 divisors (see below), whose sum is σ = 403438320. Its totient is φ = 59768320.

The previous prime is 164363317. The next prime is 164363347. The reversal of 164363320 is 23363461.

It is a super-2 number, since 2×164363320² = 54030601922844800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186337 + ... + 187216.

Almost surely, 2^164363320 is an apocalyptic number.

164363320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164363320 is an abundant number, since it is smaller than the sum of its proper divisors (239075000).

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

164363320 is a wasteful number, since it uses less digits than its factorization.

164363320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373575 (or 373571 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 164363320 is about 12820.4258899617. The cubic root of 164363320 is about 547.7742778972.

The spelling of 164363320 in words is "one hundred sixty-four million, three hundred sixty-three thousand, three hundred twenty".