16996954845456 has 160 divisors (see below), whose sum is σ = 48854318123520. Its totient is φ = 5657903830656.

The previous prime is 16996954845449. The next prime is 16996954845491. The reversal of 16996954845456 is 65454845969961.

16996954845456 is a `hidden beast` number, since 1 + 6 + 9 + 9 + 6 + 95 + 484 + 5 + 45 + 6 = 666.

16996954845456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1138969611 + ... + 1138984533.

It is an arithmetic number, because the mean of its divisors is an integer number (305339488272).

Almost surely, 2^{16996954845456} is an apocalyptic number.

16996954845456 is a gapful number since it is divisible by the number (16) 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 16996954845456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24427159061760).

16996954845456 is an abundant number, since it is smaller than the sum of its proper divisors (31857363278064).

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

16996954845456 is a wasteful number, since it uses less digits than its factorization.

16996954845456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18370 (or 18358 counting only the distinct ones).

The product of its digits is 10077696000, while the sum is 81.

The spelling of 16996954845456 in words is "sixteen trillion, nine hundred ninety-six billion, nine hundred fifty-four million, eight hundred forty-five thousand, four hundred fifty-six".