16786538495 has 16 divisors (see below), whose sum is σ = 20857318560. Its totient is φ = 12954420864.

The previous prime is 16786538453. The next prime is 16786538521. The reversal of 16786538495 is 59483568761.

It is a cyclic number.

It is not a de Polignac number, because 16786538495 - 2⁸ = 16786538239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110144 + ... + 213786.

It is an arithmetic number, because the mean of its divisors is an integer number (1303582410).

Almost surely, 2^16786538495 is an apocalyptic number.

16786538495 is a deficient number, since it is larger than the sum of its proper divisors (4070780065).

16786538495 is a wasteful number, since it uses less digits than its factorization.

16786538495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104794.

The product of its digits is 43545600, while the sum is 62.

The spelling of 16786538495 in words is "sixteen billion, seven hundred eighty-six million, five hundred thirty-eight thousand, four hundred ninety-five".