16131747072 has 108 divisors (see below), whose sum is σ = 49943717376. Its totient is φ = 4609059840.

The previous prime is 16131747059. The next prime is 16131747103. The reversal of 16131747072 is 27074713161.

It is a self number, because there is not a number n which added to its sum of digits gives 16131747072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176704 + ... + 251967.

Almost surely, 2^16131747072 is an apocalyptic number.

16131747072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16131747072 is an abundant number, since it is smaller than the sum of its proper divisors (33811970304).

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

16131747072 is an equidigital number, since it uses as much as digits as its factorization.

16131747072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428704 (or 428683 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 16131747072 in words is "sixteen billion, one hundred thirty-one million, seven hundred forty-seven thousand, seventy-two".