16131677772 has 48 divisors (see below), whose sum is σ = 43042254080. Its totient is φ = 4606431552.

The previous prime is 16131677761. The next prime is 16131677777. The reversal of 16131677772 is 27777613161.

16131677772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (16131677777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96603 + ... + 203949.

Almost surely, 2^16131677772 is an apocalyptic number.

16131677772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16131677772 is an abundant number, since it is smaller than the sum of its proper divisors (26910576308).

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

16131677772 is a wasteful number, since it uses less digits than its factorization.

16131677772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109150 (or 109148 counting only the distinct ones).

The product of its digits is 518616, while the sum is 48.

The spelling of 16131677772 in words is "sixteen billion, one hundred thirty-one million, six hundred seventy-seven thousand, seven hundred seventy-two".