16391431753 has 32 divisors (see below), whose sum is σ = 17738365952. Its totient is φ = 15116544000.

The previous prime is 16391431747. The next prime is 16391431783. The reversal of 16391431753 is 35713419361.

It is a cyclic number.

It is not a de Polignac number, because 16391431753 - 2³³ = 7801497161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16391431733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13647553 + ... + 13648753.

It is an arithmetic number, because the mean of its divisors is an integer number (554323936).

Almost surely, 2^16391431753 is an apocalyptic number.

It is an amenable number.

16391431753 is a deficient number, since it is larger than the sum of its proper divisors (1346934199).

16391431753 is a wasteful number, since it uses less digits than its factorization.

16391431753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505.

The product of its digits is 204120, while the sum is 43.

The spelling of 16391431753 in words is "sixteen billion, three hundred ninety-one million, four hundred thirty-one thousand, seven hundred fifty-three".