16042459968 has 56 divisors (see below), whose sum is σ = 47161866560. Its totient is φ = 5347486080.

The previous prime is 16042459903. The next prime is 16042459991. The reversal of 16042459968 is 86995424061.

16042459968 is a `hidden beast` number, since 1 + 6 + 0 + 42 + 4 + 599 + 6 + 8 = 666.

It is a super-2 number, since 2×16042459968² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 4640188 + ... + 4643643.

Almost surely, 2^16042459968 is an apocalyptic number.

16042459968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16042459968 is an abundant number, since it is smaller than the sum of its proper divisors (31119406592).

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

16042459968 is an equidigital number, since it uses as much as digits as its factorization.

16042459968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9283852 (or 9283836 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 16042459968 in words is "sixteen billion, forty-two million, four hundred fifty-nine thousand, nine hundred sixty-eight".