16193379831 has 16 divisors (see below), whose sum is σ = 22764316800. Its totient is φ = 10210853088.

The previous prime is 16193379827. The next prime is 16193379871. The reversal of 16193379831 is 13897339161.

It is not a de Polignac number, because 16193379831 - 2² = 16193379827 is a prime.

It is a super-2 number, since 2×16193379831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16193379871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194196 + ... + 264761.

It is an arithmetic number, because the mean of its divisors is an integer number (1422769800).

Almost surely, 2^16193379831 is an apocalyptic number.

16193379831 is a deficient number, since it is larger than the sum of its proper divisors (6570936969).

16193379831 is a wasteful number, since it uses less digits than its factorization.

16193379831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459598.

The product of its digits is 734832, while the sum is 51.

The spelling of 16193379831 in words is "sixteen billion, one hundred ninety-three million, three hundred seventy-nine thousand, eight hundred thirty-one".