164312470 has 32 divisors (see below), whose sum is σ = 345212928. Its totient is φ = 55135968.

The previous prime is 164312441. The next prime is 164312539. The reversal of 164312470 is 74213461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21682 + ... + 28261.

It is an arithmetic number, because the mean of its divisors is an integer number (10787904).

Almost surely, 2^164312470 is an apocalyptic number.

164312470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164312470 is an abundant number, since it is smaller than the sum of its proper divisors (180900458).

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

164312470 is a wasteful number, since it uses less digits than its factorization.

164312470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50004.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 164312470 is about 12818.4425731054. The cubic root of 164312470 is about 547.7177827396.

Subtracting from 164312470 its reverse (74213461), we obtain a palindrome (90099009).

The spelling of 164312470 in words is "one hundred sixty-four million, three hundred twelve thousand, four hundred seventy".