164312492 has 12 divisors (see below), whose sum is σ = 297462480. Its totient is φ = 79323216.

The previous prime is 164312441. The next prime is 164312539. The reversal of 164312492 is 294213461.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708128 + ... + 708359.

It is an arithmetic number, because the mean of its divisors is an integer number (24788540).

Almost surely, 2^164312492 is an apocalyptic number.

It is an amenable number.

164312492 is a deficient number, since it is larger than the sum of its proper divisors (133149988).

164312492 is a wasteful number, since it uses less digits than its factorization.

164312492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416520 (or 1416518 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 164312492 is about 12818.4434312439. The cubic root of 164312492 is about 547.7178071845.

The spelling of 164312492 in words is "one hundred sixty-four million, three hundred twelve thousand, four hundred ninety-two".