164870783 has 16 divisors (see below), whose sum is σ = 209931264. Its totient is φ = 125734560.

The previous prime is 164870773. The next prime is 164870791. The reversal of 164870783 is 387078461.

It is not a de Polignac number, because 164870783 - 2¹⁰ = 164869759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164870773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19160 + ... + 26397.

It is an arithmetic number, because the mean of its divisors is an integer number (13120704).

Almost surely, 2^164870783 is an apocalyptic number.

164870783 is a deficient number, since it is larger than the sum of its proper divisors (45060481).

164870783 is a wasteful number, since it uses less digits than its factorization.

164870783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45622.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 164870783 is about 12840.2018286318. The cubic root of 164870783 is about 548.3374400233.

The spelling of 164870783 in words is "one hundred sixty-four million, eight hundred seventy thousand, seven hundred eighty-three".