16025396431 has 8 divisors (see below), whose sum is σ = 17483173200. Its totient is φ = 14567773440.

The previous prime is 16025396399. The next prime is 16025396447. The reversal of 16025396431 is 13469352061.

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

It is not a de Polignac number, because 16025396431 - 2⁵ = 16025396399 is a prime.

It is a super-2 number, since 2×16025396431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16025396731) 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, 351285 + ... + 394273.

It is an arithmetic number, because the mean of its divisors is an integer number (2185396650).

Almost surely, 2^16025396431 is an apocalyptic number.

16025396431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16025396431 is a deficient number, since it is larger than the sum of its proper divisors (1457776769).

16025396431 is a wasteful number, since it uses less digits than its factorization.

16025396431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76889.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 16025396431 in words is "sixteen billion, twenty-five million, three hundred ninety-six thousand, four hundred thirty-one".