16854377792 has 28 divisors (see below), whose sum is σ = 38223322080. Its totient is φ = 7223304576.

The previous prime is 16854377783. The next prime is 16854377797. The reversal of 16854377792 is 29777345861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16854377797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18810242 + ... + 18811137.

Almost surely, 2^16854377792 is an apocalyptic number.

It is an amenable number.

16854377792 is an abundant number, since it is smaller than the sum of its proper divisors (21368944288).

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

16854377792 is an equidigital number, since it uses as much as digits as its factorization.

16854377792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37621398 (or 37621388 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 59.

The spelling of 16854377792 in words is "sixteen billion, eight hundred fifty-four million, three hundred seventy-seven thousand, seven hundred ninety-two".