164293976 has 32 divisors (see below), whose sum is σ = 384065280. Its totient is φ = 64010400.

The previous prime is 164293939. The next prime is 164293979. The reversal of 164293976 is 679392461.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 164293976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164293979) 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, 132740 + ... + 133971.

It is an arithmetic number, because the mean of its divisors is an integer number (12002040).

Almost surely, 2^164293976 is an apocalyptic number.

It is an amenable number.

164293976 is an abundant number, since it is smaller than the sum of its proper divisors (219771304).

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

164293976 is a wasteful number, since it uses less digits than its factorization.

164293976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266735 (or 266731 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 164293976 is about 12817.7211703173. The cubic root of 164293976 is about 547.6972327214.

The spelling of 164293976 in words is "one hundred sixty-four million, two hundred ninety-three thousand, nine hundred seventy-six".