164839713 has 4 divisors (see below), whose sum is σ = 219786288. Its totient is φ = 109893140.

The previous prime is 164839709. The next prime is 164839723. The reversal of 164839713 is 317938461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164839713 - 2² = 164839709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164839723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27473283 + ... + 27473288.

It is an arithmetic number, because the mean of its divisors is an integer number (54946572).

Almost surely, 2^164839713 is an apocalyptic number.

It is an amenable number.

164839713 is a deficient number, since it is larger than the sum of its proper divisors (54946575).

164839713 is an equidigital number, since it uses as much as digits as its factorization.

164839713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54946574.

The product of its digits is 108864, while the sum is 42.

The square root of 164839713 is about 12838.9918996781. The cubic root of 164839713 is about 548.3029930172.

The spelling of 164839713 in words is "one hundred sixty-four million, eight hundred thirty-nine thousand, seven hundred thirteen".