164351221125322 has 96 divisors (see below), whose sum is σ = 319943467434240. Its totient is φ = 62596432080000.

The previous prime is 164351221125319. The next prime is 164351221125347. The reversal of 164351221125322 is 223521122153461.

It is a super-2 number, since 2×164351221125322² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 952429 + ... + 18155152.

It is an arithmetic number, because the mean of its divisors is an integer number (3332744452440).

Almost surely, 2^{164351221125322} is an apocalyptic number.

164351221125322 is a deficient number, since it is larger than the sum of its proper divisors (155592246308918).

164351221125322 is a wasteful number, since it uses less digits than its factorization.

164351221125322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19107788 (or 19107781 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

Adding to 164351221125322 its reverse (223521122153461), we get a palindrome (387872343278783).

The spelling of 164351221125322 in words is "one hundred sixty-four trillion, three hundred fifty-one billion, two hundred twenty-one million, one hundred twenty-five thousand, three hundred twenty-two".