164245061 has 2 divisors, whose sum is σ = 164245062. Its totient is φ = 164245060.

The previous prime is 164245043. The next prime is 164245069. The reversal of 164245061 is 160542461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153908836 + 10336225 = 12406^2 + 3215^2 .

It is a cyclic number.

It is not a de Polignac number, because 164245061 - 2¹⁴ = 164228677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164245069) 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, 82122530 + 82122531.

It is an arithmetic number, because the mean of its divisors is an integer number (82122531).

Almost surely, 2^164245061 is an apocalyptic number.

It is an amenable number.

164245061 is a deficient number, since it is larger than the sum of its proper divisors (1).

164245061 is an equidigital number, since it uses as much as digits as its factorization.

164245061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 164245061 is about 12815.8129277857. The cubic root of 164245061 is about 547.6428722999.

The spelling of 164245061 in words is "one hundred sixty-four million, two hundred forty-five thousand, sixty-one".