1665080888 has 32 divisors (see below), whose sum is σ = 3182675760. Its totient is φ = 816449280.

The previous prime is 1665080887. The next prime is 1665080899. The reversal of 1665080888 is 8880805661.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1665080887) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 164420 + ... + 174252.

Almost surely, 2^1665080888 is an apocalyptic number.

It is an amenable number.

1665080888 is a deficient number, since it is larger than the sum of its proper divisors (1517594872).

1665080888 is a wasteful number, since it uses less digits than its factorization.

1665080888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10247 (or 10243 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 50.

The square root of 1665080888 is about 40805.4026815078. The cubic root of 1665080888 is about 1185.2549524722.

The spelling of 1665080888 in words is "one billion, six hundred sixty-five million, eighty thousand, eight hundred eighty-eight".