164501651 has 2 divisors, whose sum is σ = 164501652. Its totient is φ = 164501650.

The previous prime is 164501633. The next prime is 164501657. The reversal of 164501651 is 156105461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164501651 - 2¹⁰ = 164500627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164501657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82250825 + 82250826.

It is an arithmetic number, because the mean of its divisors is an integer number (82250826).

Almost surely, 2^164501651 is an apocalyptic number.

164501651 is a deficient number, since it is larger than the sum of its proper divisors (1).

164501651 is an equidigital number, since it uses as much as digits as its factorization.

164501651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 164501651 is about 12825.8197009002. The cubic root of 164501651 is about 547.9279068942.

The spelling of 164501651 in words is "one hundred sixty-four million, five hundred one thousand, six hundred fifty-one".