308565690164 has 6 divisors (see below), whose sum is σ = 539989957794. Its totient is φ = 154282845080.

The previous prime is 308565690161. The next prime is 308565690247. The reversal of 308565690164 is 461096565803.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 186840062500 + 121725627664 = 432250^2 + 348892^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308565690161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38570711267 + ... + 38570711274.

It is an arithmetic number, because the mean of its divisors is an integer number (89998326299).

Almost surely, 2^308565690164 is an apocalyptic number.

It is an amenable number.

308565690164 is a deficient number, since it is larger than the sum of its proper divisors (231424267630).

308565690164 is a wasteful number, since it uses less digits than its factorization.

308565690164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77141422545 (or 77141422543 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 308565690164 in words is "three hundred eight billion, five hundred sixty-five million, six hundred ninety thousand, one hundred sixty-four".