16889745259008 has 100 divisors (see below), whose sum is σ = 50411442479970. Its totient is φ = 5629915072512.

The previous prime is 16889745258977. The next prime is 16889745259021. The reversal of 16889745259008 is 80095254798861.

16889745259008 is a `hidden beast` number, since 1 + 6 + 8 + 8 + 9 + 7 + 4 + 525 + 90 + 0 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10880814737664 + 6008930521344 = 3298608^2 + 2451312^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 203586823 + ... + 203669766.

Almost surely, 2^{16889745259008} is an apocalyptic number.

16889745259008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16889745259008 is an abundant number, since it is smaller than the sum of its proper divisors (33521697220962).

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

16889745259008 is an frugal number, since it uses more digits than its factorization.

16889745259008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407256619 (or 407256594 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 72.

The spelling of 16889745259008 in words is "sixteen trillion, eight hundred eighty-nine billion, seven hundred forty-five million, two hundred fifty-nine thousand, eight".