164988923 has 8 divisors (see below), whose sum is σ = 180111360. Its totient is φ = 149887080.

The previous prime is 164988919. The next prime is 164988983. The reversal of 164988923 is 329889461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164988923 - 2² = 164988919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164988983) 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, 15086 + ... + 23612.

It is an arithmetic number, because the mean of its divisors is an integer number (22513920).

Almost surely, 2^164988923 is an apocalyptic number.

164988923 is a deficient number, since it is larger than the sum of its proper divisors (15122437).

164988923 is a wasteful number, since it uses less digits than its factorization.

164988923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10297.

The product of its digits is 746496, while the sum is 50.

The square root of 164988923 is about 12844.8013997882. The cubic root of 164988923 is about 548.4683811904.

The spelling of 164988923 in words is "one hundred sixty-four million, nine hundred eighty-eight thousand, nine hundred twenty-three".