16795764720 has 800 divisors, whose sum is σ = 73736137728. Its totient is φ = 3452461056.

The previous prime is 16795764707. The next prime is 16795764749. The reversal of 16795764720 is 2746759761.

16795764720 is a `hidden beast` number, since 1 + 6 + 7 + 9 + 576 + 47 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 17735287 + ... + 17736233.

Almost surely, 2^16795764720 is an apocalyptic number.

16795764720 is a gapful number since it is divisible by the number (10) 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 16795764720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36868068864).

16795764720 is an abundant number, since it is smaller than the sum of its proper divisors (56940373008).

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

16795764720 is a wasteful number, since it uses less digits than its factorization.

16795764720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 16795764720 in words is "sixteen billion, seven hundred ninety-five million, seven hundred sixty-four thousand, seven hundred twenty".