16451468736 has 28 divisors (see below), whose sum is σ = 43527844872. Its totient is φ = 5483822848.

The previous prime is 16451468723. The next prime is 16451468743. The reversal of 16451468736 is 63786415461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42842175 + ... + 42842558.

Almost surely, 2^16451468736 is an apocalyptic number.

16451468736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16451468736 is an abundant number, since it is smaller than the sum of its proper divisors (27076376136).

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

16451468736 is an equidigital number, since it uses as much as digits as its factorization.

16451468736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85684748 (or 85684738 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 16451468736 in words is "sixteen billion, four hundred fifty-one million, four hundred sixty-eight thousand, seven hundred thirty-six".