164356651 has 2 divisors, whose sum is σ = 164356652. Its totient is φ = 164356650.

The previous prime is 164356607. The next prime is 164356679. The reversal of 164356651 is 156653461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164356651 - 2⁹ = 164356139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164356651.

It is not a weakly prime, because it can be changed into another prime (164356681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82178325 + 82178326.

It is an arithmetic number, because the mean of its divisors is an integer number (82178326).

Almost surely, 2^164356651 is an apocalyptic number.

164356651 is a deficient number, since it is larger than the sum of its proper divisors (1).

164356651 is an equidigital number, since it uses as much as digits as its factorization.

164356651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 164356651 is about 12820.1657945598. The cubic root of 164356651 is about 547.7668691962.

The spelling of 164356651 in words is "one hundred sixty-four million, three hundred fifty-six thousand, six hundred fifty-one".