16799682431 has 4 divisors (see below), whose sum is σ = 19199637072. Its totient is φ = 14399727792.

The previous prime is 16799682373. The next prime is 16799682433. The reversal of 16799682431 is 13428699761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13428699761 = 96517 ⋅139133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16799682431 is a prime.

It is a super-2 number, since 2×16799682431² (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 (16799682433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199977310 + ... + 1199977323.

It is an arithmetic number, because the mean of its divisors is an integer number (4799909268).

Almost surely, 2^16799682431 is an apocalyptic number.

16799682431 is a deficient number, since it is larger than the sum of its proper divisors (2399954641).

16799682431 is an equidigital number, since it uses as much as digits as its factorization.

16799682431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399954640.

The product of its digits is 3919104, while the sum is 56.

The spelling of 16799682431 in words is "sixteen billion, seven hundred ninety-nine million, six hundred eighty-two thousand, four hundred thirty-one".