1696694080 has 28 divisors (see below), whose sum is σ = 4040253540. Its totient is φ = 678677504.

The previous prime is 1696694071. The next prime is 1696694081. The reversal of 1696694080 is 804966961.

It can be written as a sum of positive squares in 2 ways, for example, as 1012766976 + 683927104 = 31824^2 + 26152^2 .

It is a super-2 number, since 2×1696694080² = 5757541602214092800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1696694081) 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, 2650765 + ... + 2651404.

Almost surely, 2^1696694080 is an apocalyptic number.

1696694080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1696694080 is an abundant number, since it is smaller than the sum of its proper divisors (2343559460).

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

1696694080 is an equidigital number, since it uses as much as digits as its factorization.

1696694080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302186 (or 5302176 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 1696694080 is about 41190.9465781014. The cubic root of 1696694080 is about 1192.7090506901.

The spelling of 1696694080 in words is "one billion, six hundred ninety-six million, six hundred ninety-four thousand, eighty".