16256262996612 has 18 divisors (see below), whose sum is σ = 41092220352638. Its totient is φ = 5418754332192.

The previous prime is 16256262996607. The next prime is 16256262996661. The reversal of 16256262996612 is 21669926265261.

16256262996612 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 6 + 2 + 6 + 2 + 9 + 9 + 6 + 612 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12575137268736 + 3681125727876 = 3546144^2 + 1918626^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 16256262996612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225781430473 + ... + 225781430544.

Almost surely, 2^{16256262996612} is an apocalyptic number.

16256262996612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16256262996612 is an abundant number, since it is smaller than the sum of its proper divisors (24835957356026).

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

16256262996612 is a wasteful number, since it uses less digits than its factorization.

16256262996612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451562861027 (or 451562861022 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The spelling of 16256262996612 in words is "sixteen trillion, two hundred fifty-six billion, two hundred sixty-two million, nine hundred ninety-six thousand, six hundred twelve".