1660388096 has 36 divisors (see below), whose sum is σ = 3509257752. Its totient is φ = 781357056.

The previous prime is 1660388053. The next prime is 1660388099. The reversal of 1660388096 is 6908830661.

It is a self number, because there is not a number n which added to its sum of digits gives 1660388096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660388099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186410 + ... + 195113.

It is an arithmetic number, because the mean of its divisors is an integer number (97479382).

Almost surely, 2^1660388096 is an apocalyptic number.

1660388096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1660388096 is an abundant number, since it is smaller than the sum of its proper divisors (1848869656).

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

1660388096 is an equidigital number, since it uses as much as digits as its factorization.

1660388096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381556 (or 381542 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 1660388096 is about 40747.8600174291. The cubic root of 1660388096 is about 1184.1404143187.

The spelling of 1660388096 in words is "one billion, six hundred sixty million, three hundred eighty-eight thousand, ninety-six".