164622732 has 24 divisors (see below), whose sum is σ = 384327216. Its totient is φ = 54844608.

The previous prime is 164622727. The next prime is 164622751. The reversal of 164622732 is 237226461.

It is a super-2 number, since 2×164622732² = 54201287782287648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164622693 and 164622702.

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, 41458 + ... + 45254.

It is an arithmetic number, because the mean of its divisors is an integer number (16013634).

Almost surely, 2^164622732 is an apocalyptic number.

164622732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164622732 is an abundant number, since it is smaller than the sum of its proper divisors (219704484).

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

164622732 is a wasteful number, since it uses less digits than its factorization.

164622732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7417 (or 7415 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 164622732 is about 12830.5390377801. The cubic root of 164622732 is about 548.0623075477.

The spelling of 164622732 in words is "one hundred sixty-four million, six hundred twenty-two thousand, seven hundred thirty-two".