1696543816 has 16 divisors (see below), whose sum is σ = 3470203440. Its totient is φ = 771156240.

The previous prime is 1696543813. The next prime is 1696543817. The reversal of 1696543816 is 6183456961.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1696543816.

It is not an unprimeable number, because it can be changed into a prime (1696543811) 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, 9639366 + ... + 9639541.

It is an arithmetic number, because the mean of its divisors is an integer number (216887715).

Almost surely, 2^1696543816 is an apocalyptic number.

It is an amenable number.

1696543816 is an abundant number, since it is smaller than the sum of its proper divisors (1773659624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1696543816 is a wasteful number, since it uses less digits than its factorization.

1696543816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19278924 (or 19278920 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 1696543816 is about 41189.1225446719. The cubic root of 1696543816 is about 1192.6738397612.

The spelling of 1696543816 in words is "one billion, six hundred ninety-six million, five hundred forty-three thousand, eight hundred sixteen".