164765061 has 6 divisors (see below), whose sum is σ = 237993990. Its totient is φ = 109843368.

The previous prime is 164765023. The next prime is 164765113. The reversal of 164765061 is 160567461.

164765061 is a `hidden beast` number, since 1 + 647 + 6 + 5 + 0 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 135280161 + 29484900 = 11631^2 + 5430^2 .

It is not a de Polignac number, because 164765061 - 2⁷ = 164764933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164765011) 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 in 5 ways as a sum of consecutive naturals, for example, 9153606 + ... + 9153623.

It is an arithmetic number, because the mean of its divisors is an integer number (39665665).

Almost surely, 2^164765061 is an apocalyptic number.

It is an amenable number.

164765061 is a deficient number, since it is larger than the sum of its proper divisors (73228929).

164765061 is a wasteful number, since it uses less digits than its factorization.

164765061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18307235 (or 18307232 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 164765061 is about 12836.0843328485. The cubic root of 164765061 is about 548.2202093747.

The spelling of 164765061 in words is "one hundred sixty-four million, seven hundred sixty-five thousand, sixty-one".