16715664311 has 4 divisors (see below), whose sum is σ = 16748896752. Its totient is φ = 16682431872.

The previous prime is 16715664283. The next prime is 16715664337. The reversal of 16715664311 is 11346651761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16715664311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16715624311) 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, 16615466 + ... + 16616471.

It is an arithmetic number, because the mean of its divisors is an integer number (4187224188).

Almost surely, 2^16715664311 is an apocalyptic number.

16715664311 is a deficient number, since it is larger than the sum of its proper divisors (33232441).

16715664311 is an equidigital number, since it uses as much as digits as its factorization.

16715664311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33232440.

The product of its digits is 90720, while the sum is 41.

The spelling of 16715664311 in words is "sixteen billion, seven hundred fifteen million, six hundred sixty-four thousand, three hundred eleven".