1696164540 has 48 divisors (see below), whose sum is σ = 5427727872. Its totient is φ = 387694656.

The previous prime is 1696164539. The next prime is 1696164559. The reversal of 1696164540 is 454616961.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1696164492 and 1696164501.

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, 2018824 + ... + 2019663.

It is an arithmetic number, because the mean of its divisors is an integer number (113077664).

Almost surely, 2^1696164540 is an apocalyptic number.

1696164540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1696164540 is an abundant number, since it is smaller than the sum of its proper divisors (3731563332).

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

1696164540 is a wasteful number, since it uses less digits than its factorization.

1696164540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038506 (or 4038504 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 1696164540 is about 41184.5182076955. The cubic root of 1696164540 is about 1192.5849558644.

The spelling of 1696164540 in words is "one billion, six hundred ninety-six million, one hundred sixty-four thousand, five hundred forty".