164900761 has 2 divisors, whose sum is σ = 164900762. Its totient is φ = 164900760.

The previous prime is 164900741. The next prime is 164900767. The reversal of 164900761 is 167009461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162078361 + 2822400 = 12731^2 + 1680^2 .

It is an emirp because it is prime and its reverse (167009461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164900761 is a prime.

It is not a weakly prime, because it can be changed into another prime (164900767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82450380 + 82450381.

It is an arithmetic number, because the mean of its divisors is an integer number (82450381).

Almost surely, 2^164900761 is an apocalyptic number.

It is an amenable number.

164900761 is a deficient number, since it is larger than the sum of its proper divisors (1).

164900761 is an equidigital number, since it uses as much as digits as its factorization.

164900761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 164900761 is about 12841.3691248247. The cubic root of 164900761 is about 548.3706722376.

The spelling of 164900761 in words is "one hundred sixty-four million, nine hundred thousand, seven hundred sixty-one".