164351424162520 has 32 divisors (see below), whose sum is σ = 422617947847200. Its totient is φ = 56349059712768.

The previous prime is 164351424162451. The next prime is 164351424162553. The reversal of 164351424162520 is 25261424153461.

It is a super-2 number, since 2×164351424162520² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293484685725 + ... + 293484686284.

It is an arithmetic number, because the mean of its divisors is an integer number (13206810870225).

Almost surely, 2^{164351424162520} is an apocalyptic number.

164351424162520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164351424162520 is an abundant number, since it is smaller than the sum of its proper divisors (258266523684680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164351424162520 is a wasteful number, since it uses less digits than its factorization.

164351424162520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586969372027 (or 586969372023 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 164351424162520 in words is "one hundred sixty-four trillion, three hundred fifty-one billion, four hundred twenty-four million, one hundred sixty-two thousand, five hundred twenty".