16396513191 has 12 divisors (see below), whose sum is σ = 23685341680. Its totient is φ = 10930321440.

The previous prime is 16396513153. The next prime is 16396513241. The reversal of 16396513191 is 19131569361.

16396513191 is a `hidden beast` number, since 1 + 639 + 6 + 5 + 1 + 3 + 1 + 9 + 1 = 666.

It is not a de Polignac number, because 16396513191 - 2¹⁴ = 16396496807 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 (16396511191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123990 + ... + 219468.

Almost surely, 2^16396513191 is an apocalyptic number.

16396513191 is a deficient number, since it is larger than the sum of its proper divisors (7288828489).

16396513191 is a wasteful number, since it uses less digits than its factorization.

16396513191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114566 (or 114563 counting only the distinct ones).

The product of its digits is 131220, while the sum is 45.

The spelling of 16396513191 in words is "sixteen billion, three hundred ninety-six million, five hundred thirteen thousand, one hundred ninety-one".