164015655522 has 32 divisors (see below), whose sum is σ = 336484713600. Its totient is φ = 53266577280.

The previous prime is 164015655509. The next prime is 164015655523. The reversal of 164015655522 is 225556510461.

It is a super-2 number, since 2×164015655522² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164015655523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265897 + ... + 631452.

It is an arithmetic number, because the mean of its divisors is an integer number (10515147300).

Almost surely, 2^164015655522 is an apocalyptic number.

164015655522 is an abundant number, since it is smaller than the sum of its proper divisors (172469058078).

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

164015655522 is a wasteful number, since it uses less digits than its factorization.

164015655522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898138.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 164015655522 in words is "one hundred sixty-four billion, fifteen million, six hundred fifty-five thousand, five hundred twenty-two".