1696869648 has 50 divisors (see below), whose sum is σ = 4911236814. Its totient is φ = 565622784.

The previous prime is 1696869631. The next prime is 1696869653. The reversal of 1696869648 is 8469686961.

It can be written as a sum of positive squares in only one way, i.e., 1660725504 + 36144144 = 40752^2 + 6012^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 653361 + ... + 655952.

Almost surely, 2^1696869648 is an apocalyptic number.

1696869648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1696869648 is an abundant number, since it is smaller than the sum of its proper divisors (3214367166).

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

1696869648 is a wasteful number, since it uses less digits than its factorization.

1696869648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309333 (or 1309318 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The square root of 1696869648 is about 41193.0776708903. The cubic root of 1696869648 is about 1192.7501883988.

The spelling of 1696869648 in words is "one billion, six hundred ninety-six million, eight hundred sixty-nine thousand, six hundred forty-eight".