164087929 has 8 divisors (see below), whose sum is σ = 171424512. Its totient is φ = 156879120.

The previous prime is 164087921. The next prime is 164087939. The reversal of 164087929 is 929780461.

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 164087929 - 2³ = 164087921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164087921) 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, 29314 + ... + 34459.

It is an arithmetic number, because the mean of its divisors is an integer number (21428064).

Almost surely, 2^164087929 is an apocalyptic number.

It is an amenable number.

164087929 is a deficient number, since it is larger than the sum of its proper divisors (7336583).

164087929 is an equidigital number, since it uses as much as digits as its factorization.

164087929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63887.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 164087929 is about 12809.6810655067. The cubic root of 164087929 is about 547.4681746546.

The spelling of 164087929 in words is "one hundred sixty-four million, eighty-seven thousand, nine hundred twenty-nine".