16272571431 has 8 divisors (see below), whose sum is σ = 21697897600. Its totient is φ = 10847813112.

The previous prime is 16272571373. The next prime is 16272571433. The reversal of 16272571431 is 13417527261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-16272571431 is a prime.

It is a super-2 number, since 2×16272571431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16272571431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16272571433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69865 + ... + 193458.

It is an arithmetic number, because the mean of its divisors is an integer number (2712237200).

Almost surely, 2^16272571431 is an apocalyptic number.

16272571431 is a deficient number, since it is larger than the sum of its proper divisors (5425326169).

16272571431 is a wasteful number, since it uses less digits than its factorization.

16272571431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283925.

The product of its digits is 70560, while the sum is 39.

The spelling of 16272571431 in words is "sixteen billion, two hundred seventy-two million, five hundred seventy-one thousand, four hundred thirty-one".