16131001272 has 32 divisors (see below), whose sum is σ = 40336045200. Its totient is φ = 5375861504.

The previous prime is 16131001241. The next prime is 16131001277. The reversal of 16131001272 is 27210013161.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16131001277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48598 + ... + 186074.

Almost surely, 2^16131001272 is an apocalyptic number.

16131001272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16131001272 is an abundant number, since it is smaller than the sum of its proper divisors (24205043928).

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

16131001272 is a wasteful number, since it uses less digits than its factorization.

16131001272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142375 (or 142371 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The spelling of 16131001272 in words is "sixteen billion, one hundred thirty-one million, one thousand, two hundred seventy-two".