16131274687 has 48 divisors (see below), whose sum is σ = 19608583680. Its totient is φ = 13113900800.

The previous prime is 16131274673. The next prime is 16131274693. The reversal of 16131274687 is 78647213161.

It is not a de Polignac number, because 16131274687 - 2⁷ = 16131274559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16131274637) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17706762 + ... + 17707672.

It is an arithmetic number, because the mean of its divisors is an integer number (408512160).

Almost surely, 2^16131274687 is an apocalyptic number.

16131274687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16131274687 is a deficient number, since it is larger than the sum of its proper divisors (3477308993).

16131274687 is a wasteful number, since it uses less digits than its factorization.

16131274687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1141 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The spelling of 16131274687 in words is "sixteen billion, one hundred thirty-one million, two hundred seventy-four thousand, six hundred eighty-seven".