16663157250 has 32 divisors (see below), whose sum is σ = 41591242368. Its totient is φ = 4443508400.

The previous prime is 16663157249. The next prime is 16663157281. The reversal of 16663157250 is 5275136661.

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, 11108022 + ... + 11109521.

It is an arithmetic number, because the mean of its divisors is an integer number (1299726324).

Almost surely, 2^16663157250 is an apocalyptic number.

16663157250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16663157250 is an abundant number, since it is smaller than the sum of its proper divisors (24928085118).

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

16663157250 is a wasteful number, since it uses less digits than its factorization.

16663157250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22217563 (or 22217553 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 16663157250 in words is "sixteen billion, six hundred sixty-three million, one hundred fifty-seven thousand, two hundred fifty".