164546516377 has 2 divisors, whose sum is σ = 164546516378. Its totient is φ = 164546516376.

The previous prime is 164546516363. The next prime is 164546516401. The reversal of 164546516377 is 773615645461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124899334921 + 39647181456 = 353411^2 + 199116^2 .

It is a cyclic number.

It is not a de Polignac number, because 164546516377 - 2²⁷ = 164412298649 is a prime.

It is a super-2 number, since 2×164546516377² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164546516317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82273258188 + 82273258189.

It is an arithmetic number, because the mean of its divisors is an integer number (82273258189).

Almost surely, 2^164546516377 is an apocalyptic number.

It is an amenable number.

164546516377 is a deficient number, since it is larger than the sum of its proper divisors (1).

164546516377 is an equidigital number, since it uses as much as digits as its factorization.

164546516377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12700800, while the sum is 55.

The spelling of 164546516377 in words is "one hundred sixty-four billion, five hundred forty-six million, five hundred sixteen thousand, three hundred seventy-seven".