164615430 has 64 divisors (see below), whose sum is σ = 475292160. Its totient is φ = 35645184.

The previous prime is 164615419. The next prime is 164615431. The reversal of 164615430 is 34516461.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164615431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16639 + ... + 24618.

It is an arithmetic number, because the mean of its divisors is an integer number (7426440).

Almost surely, 2^164615430 is an apocalyptic number.

164615430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164615430 is an abundant number, since it is smaller than the sum of its proper divisors (310676730).

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

164615430 is a wasteful number, since it uses less digits than its factorization.

164615430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41293.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 164615430 is about 12830.2544791598. The cubic root of 164615430 is about 548.0542041505.

The spelling of 164615430 in words is "one hundred sixty-four million, six hundred fifteen thousand, four hundred thirty".