16994528163972 has 96 divisors (see below), whose sum is σ = 44155081017600. Its totient is φ = 5652614543616.

The previous prime is 16994528163967. The next prime is 16994528163997. The reversal of 16994528163972 is 27936182549961.

16994528163972 is a `hidden beast` number, since 1 + 6 + 9 + 9 + 4 + 528 + 1 + 6 + 3 + 97 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16994528163972.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113398233 + ... + 113547999.

It is an arithmetic number, because the mean of its divisors is an integer number (459948760600).

Almost surely, 2^{16994528163972} is an apocalyptic number.

16994528163972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16994528163972 is an abundant number, since it is smaller than the sum of its proper divisors (27160552853628).

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

16994528163972 is a wasteful number, since it uses less digits than its factorization.

16994528163972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152042 (or 152034 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 72.

The spelling of 16994528163972 in words is "sixteen trillion, nine hundred ninety-four billion, five hundred twenty-eight million, one hundred sixty-three thousand, nine hundred seventy-two".