1696816931 has 18 divisors (see below), whose sum is σ = 1768219596. Its totient is φ = 1628187600.

The previous prime is 1696816909. The next prime is 1696816943. The reversal of 1696816931 is 1396186961.

It is a de Polignac number, because none of the positive numbers 2^k-1696816931 is a prime.

It is a super-2 number, since 2×1696816931² = 5758375394656517522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1696816931.

It is not an unprimeable number, because it can be changed into a prime (1696816531) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12952736 + ... + 12952866.

It is an arithmetic number, because the mean of its divisors is an integer number (98234422).

Almost surely, 2^1696816931 is an apocalyptic number.

1696816931 is a deficient number, since it is larger than the sum of its proper divisors (71402665).

1696816931 is an frugal number, since it uses more digits than its factorization.

1696816931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 251 counting only the distinct ones).

The product of its digits is 419904, while the sum is 50.

The square root of 1696816931 is about 41192.4377889923. The cubic root of 1696816931 is about 1192.7378364653.

The spelling of 1696816931 in words is "one billion, six hundred ninety-six million, eight hundred sixteen thousand, nine hundred thirty-one".