164663832 has 32 divisors (see below), whose sum is σ = 412282800. Its totient is φ = 54804864.

The previous prime is 164663803. The next prime is 164663843. The reversal of 164663832 is 238366461.

It is a super-2 number, since 2×164663832² = 54228355137848448, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 12178 + ... + 21854.

Almost surely, 2^164663832 is an apocalyptic number.

164663832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164663832 is an abundant number, since it is smaller than the sum of its proper divisors (247618968).

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

164663832 is a wasteful number, since it uses less digits than its factorization.

164663832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10395 (or 10391 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 164663832 is about 12832.1405852648. The cubic root of 164663832 is about 548.1079138181.

The spelling of 164663832 in words is "one hundred sixty-four million, six hundred sixty-three thousand, eight hundred thirty-two".