16699846401792 has 108 divisors (see below), whose sum is σ = 49933099307000. Its totient is φ = 5566615446528.

The previous prime is 16699846401743. The next prime is 16699846401829. The reversal of 16699846401792 is 29710464899661.

16699846401792 is a `hidden beast` number, since 1 + 6 + 6 + 9 + 98 + 46 + 401 + 7 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is a super-2 number, since 2×16699846401792² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 16699846401792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134163667 + ... + 134288082.

Almost surely, 2^{16699846401792} is an apocalyptic number.

16699846401792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16699846401792 is an abundant number, since it is smaller than the sum of its proper divisors (33233252905208).

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

16699846401792 is an frugal number, since it uses more digits than its factorization.

16699846401792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268451780 (or 268451754 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 72.

The spelling of 16699846401792 in words is "sixteen trillion, six hundred ninety-nine billion, eight hundred forty-six million, four hundred one thousand, seven hundred ninety-two".