16252744968 has 96 divisors (see below), whose sum is σ = 44922735000. Its totient is φ = 5307337728.

The previous prime is 16252744939. The next prime is 16252744979. The reversal of 16252744968 is 86944725261.

16252744968 is a `hidden beast` number, since 1 + 625 + 2 + 7 + 4 + 4 + 9 + 6 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12450542724 + 3802202244 = 111582^2 + 61662^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686838 + ... + 710106.

Almost surely, 2^16252744968 is an apocalyptic number.

16252744968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16252744968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22461367500).

16252744968 is an abundant number, since it is smaller than the sum of its proper divisors (28669990032).

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

16252744968 is a wasteful number, since it uses less digits than its factorization.

16252744968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23479 (or 23472 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 16252744968 in words is "sixteen billion, two hundred fifty-two million, seven hundred forty-four thousand, nine hundred sixty-eight".