16268842512 has 120 divisors (see below), whose sum is σ = 51916848984. Its totient is φ = 4711329792.

The previous prime is 16268842507. The next prime is 16268842519. The reversal of 16268842512 is 21524886261.

16268842512 is a `hidden beast` number, since 1 + 626 + 8 + 8 + 4 + 2 + 5 + 12 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2641548816 + 13627293696 = 51396^2 + 116736^2 .

It is not an unprimeable number, because it can be changed into a prime (16268842519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223783 + ... + 287430.

Almost surely, 2^16268842512 is an apocalyptic number.

16268842512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16268842512 is an abundant number, since it is smaller than the sum of its proper divisors (35648006472).

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

16268842512 is a wasteful number, since it uses less digits than its factorization.

16268842512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511257 (or 511248 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The spelling of 16268842512 in words is "sixteen billion, two hundred sixty-eight million, eight hundred forty-two thousand, five hundred twelve".