164296731 has 8 divisors (see below), whose sum is σ = 219871744. Its totient is φ = 109126440.

The previous prime is 164296723. The next prime is 164296747. The reversal of 164296731 is 137692461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164296731 - 2³ = 164296723 is a prime.

It is a super-2 number, since 2×164296731² = 53986831634572722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164296731.

It is not an unprimeable number, because it can be changed into a prime (164296331) 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, 100231 + ... + 101856.

It is an arithmetic number, because the mean of its divisors is an integer number (27483968).

Almost surely, 2^164296731 is an apocalyptic number.

164296731 is a deficient number, since it is larger than the sum of its proper divisors (55575013).

164296731 is a wasteful number, since it uses less digits than its factorization.

164296731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202361.

The product of its digits is 54432, while the sum is 39.

The square root of 164296731 is about 12817.8286382679. The cubic root of 164296731 is about 547.7002940985.

The spelling of 164296731 in words is "one hundred sixty-four million, two hundred ninety-six thousand, seven hundred thirty-one".