16168532164456 has 32 divisors (see below), whose sum is σ = 35384021763840. Its totient is φ = 6781937502528.

The previous prime is 16168532164403. The next prime is 16168532164481. The reversal of 16168532164456 is 65446123586161.

It is a super-2 number, since 2×16168532164456² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16168532164456.

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, 3071527035 + ... + 3071532298.

It is an arithmetic number, because the mean of its divisors is an integer number (1105750680120).

Almost surely, 2^{16168532164456} is an apocalyptic number.

It is an amenable number.

16168532164456 is an abundant number, since it is smaller than the sum of its proper divisors (19215489599384).

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

16168532164456 is a wasteful number, since it uses less digits than its factorization.

16168532164456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143059393 (or 6143059389 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 58.

The spelling of 16168532164456 in words is "sixteen trillion, one hundred sixty-eight billion, five hundred thirty-two million, one hundred sixty-four thousand, four hundred fifty-six".