16801226992 has 80 divisors (see below), whose sum is σ = 36574525152. Its totient is φ = 7409525760.

The previous prime is 16801226989. The next prime is 16801227031. The reversal of 16801226992 is 29962210861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2425518 + ... + 2432434.

Almost surely, 2^16801226992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16801226992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18287262576).

16801226992 is an abundant number, since it is smaller than the sum of its proper divisors (19773298160).

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

16801226992 is a wasteful number, since it uses less digits than its factorization.

16801226992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7346 (or 7340 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 16801226992 in words is "sixteen billion, eight hundred one million, two hundred twenty-six thousand, nine hundred ninety-two".