15716682434 has 16 divisors (see below), whose sum is σ = 24062141880. Its totient is φ = 7696490880.

The previous prime is 15716682433. The next prime is 15716682469. The reversal of 15716682434 is 43428661751.

It can be written as a sum of positive squares in 4 ways, for example, as 11268459409 + 4448223025 = 106153^2 + 66695^2 .

It is not an unprimeable number, because it can be changed into a prime (15716682433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69977 + ... + 190604.

Almost surely, 2^15716682434 is an apocalyptic number.

15716682434 is a deficient number, since it is larger than the sum of its proper divisors (8345459446).

15716682434 is a wasteful number, since it uses less digits than its factorization.

15716682434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261205.

The product of its digits is 967680, while the sum is 47.

The spelling of 15716682434 in words is "fifteen billion, seven hundred sixteen million, six hundred eighty-two thousand, four hundred thirty-four".