16989211762992 has 240 divisors, whose sum is σ = 56732050925280. Its totient is φ = 4853629734912.

The previous prime is 16989211762987. The next prime is 16989211763071. The reversal of 16989211762992 is 29926711298961.

16989211762992 is a `hidden beast` number, since 169 + 8 + 9 + 2 + 1 + 176 + 299 + 2 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 16989211762992.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 297021948 + ... + 297079140.

It is an arithmetic number, because the mean of its divisors is an integer number (236383545522).

Almost surely, 2^{16989211762992} is an apocalyptic number.

16989211762992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16989211762992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28366025462640).

16989211762992 is an abundant number, since it is smaller than the sum of its proper divisors (39742839162288).

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

16989211762992 is a wasteful number, since it uses less digits than its factorization.

16989211762992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71257 (or 71238 counting only the distinct ones).

The product of its digits is 105815808, while the sum is 72.

The spelling of 16989211762992 in words is "sixteen trillion, nine hundred eighty-nine billion, two hundred eleven million, seven hundred sixty-two thousand, nine hundred ninety-two".