164502077 has 2 divisors, whose sum is σ = 164502078. Its totient is φ = 164502076.

The previous prime is 164502053. The next prime is 164502097. The reversal of 164502077 is 770205461.

164502077 = 7404² + 7405² + 7406².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88096996 + 76405081 = 9386^2 + 8741^2 .

It is a cyclic number.

It is not a de Polignac number, because 164502077 - 2²⁰ = 163453501 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 (164502097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82251038 + 82251039.

It is an arithmetic number, because the mean of its divisors is an integer number (82251039).

Almost surely, 2^164502077 is an apocalyptic number.

It is an amenable number.

164502077 is a deficient number, since it is larger than the sum of its proper divisors (1).

164502077 is an equidigital number, since it uses as much as digits as its factorization.

164502077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 164502077 is about 12825.8363080152. The cubic root of 164502077 is about 547.9283798724.

The spelling of 164502077 in words is "one hundred sixty-four million, five hundred two thousand, seventy-seven".