1696557140 has 48 divisors (see below), whose sum is σ = 3611224512. Its totient is φ = 669451776.

The previous prime is 1696557097. The next prime is 1696557151. The reversal of 1696557140 is 417556961.

It is a super-2 number, since 2×1696557140² = 5756612258569959200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1696557091 and 1696557100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511367 + ... + 514673.

It is an arithmetic number, because the mean of its divisors is an integer number (75233844).

Almost surely, 2^1696557140 is an apocalyptic number.

1696557140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1696557140 is an abundant number, since it is smaller than the sum of its proper divisors (1914667372).

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

1696557140 is a wasteful number, since it uses less digits than its factorization.

With its successor (1696557141) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (3654).

With its successor (1696557141) it forms an eRAP, since the sums of their prime factors are consecutive (3656 and 3657).

1696557140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656 (or 3654 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 1696557140 is about 41189.2842860859. The cubic root of 1696557140 is about 1192.6769620196.

The spelling of 1696557140 in words is "one billion, six hundred ninety-six million, five hundred fifty-seven thousand, one hundred forty".