308161171922 has 6 divisors (see below), whose sum is σ = 462242935479. Its totient is φ = 154080193430.

The previous prime is 308161171909. The next prime is 308161171973. The reversal of 308161171922 is 229171161803.

It can be written as a sum of positive squares in only one way, i.e., 154080585961 + 154080585961 = 392531^2 + 392531^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=392531.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 308161171922.

It is an unprimeable number.

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 in 2 ways as a sum of consecutive naturals, for example, 588797 + ... + 981327.

Almost surely, 2^308161171922 is an apocalyptic number.

308161171922 is a deficient number, since it is larger than the sum of its proper divisors (154081763557).

308161171922 is an frugal number, since it uses more digits than its factorization.

308161171922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785064 (or 392533 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 308161171922 in words is "three hundred eight billion, one hundred sixty-one million, one hundred seventy-one thousand, nine hundred twenty-two".