1669125360 has 80 divisors (see below), whose sum is σ = 5913478656. Its totient is φ = 381513984.

The previous prime is 1669125349. The next prime is 1669125383. The reversal of 1669125360 is 635219661.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495084 + ... + 498443.

Almost surely, 2^1669125360 is an apocalyptic number.

1669125360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1669125360 is an abundant number, since it is smaller than the sum of its proper divisors (4244353296).

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

1669125360 is a wasteful number, since it uses less digits than its factorization.

1669125360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993550 (or 993544 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 1669125360 is about 40854.9306693819. The cubic root of 1669125360 is about 1186.2138356946.

The spelling of 1669125360 in words is "one billion, six hundred sixty-nine million, one hundred twenty-five thousand, three hundred sixty".