164263136 has 24 divisors (see below), whose sum is σ = 324795744. Its totient is φ = 81775360.

The previous prime is 164263069. The next prime is 164263147. The reversal of 164263136 is 631362461.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3560 + ... + 18471.

It is an arithmetic number, because the mean of its divisors is an integer number (13533156).

Almost surely, 2^164263136 is an apocalyptic number.

164263136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164263136 is a deficient number, since it is larger than the sum of its proper divisors (160532608).

164263136 is a wasteful number, since it uses less digits than its factorization.

164263136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22274 (or 22266 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 164263136 is about 12816.5180919000. The cubic root of 164263136 is about 547.6629607413.

The spelling of 164263136 in words is "one hundred sixty-four million, two hundred sixty-three thousand, one hundred thirty-six".