164623152 has 40 divisors (see below), whose sum is σ = 426580336. Its totient is φ = 54706176.

The previous prime is 164623139. The next prime is 164623153. The reversal of 164623152 is 251326461.

It is not an unprimeable number, because it can be changed into a prime (164623153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11088 + ... + 21264.

Almost surely, 2^164623152 is an apocalyptic number.

164623152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164623152 is an abundant number, since it is smaller than the sum of its proper divisors (261957184).

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

164623152 is a wasteful number, since it uses less digits than its factorization.

164623152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10525 (or 10519 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 164623152 is about 12830.5554049698. Note that the first 3 decimals coincide. The cubic root of 164623152 is about 548.0627736355.

The spelling of 164623152 in words is "one hundred sixty-four million, six hundred twenty-three thousand, one hundred fifty-two".