164529870 has 16 divisors (see below), whose sum is σ = 394871760. Its totient is φ = 43874624.

The previous prime is 164529863. The next prime is 164529887. The reversal of 164529870 is 78925461.

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, 2742135 + ... + 2742194.

It is an arithmetic number, because the mean of its divisors is an integer number (24679485).

Almost surely, 2^164529870 is an apocalyptic number.

164529870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164529870 is an abundant number, since it is smaller than the sum of its proper divisors (230341890).

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

164529870 is a wasteful number, since it uses less digits than its factorization.

164529870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484339.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 164529870 is about 12826.9197393607. The cubic root of 164529870 is about 547.9592360500.

The spelling of 164529870 in words is "one hundred sixty-four million, five hundred twenty-nine thousand, eight hundred seventy".