16830691794 has 72 divisors (see below), whose sum is σ = 43566789708. Its totient is φ = 4678793280.

The previous prime is 16830691789. The next prime is 16830691847. The reversal of 16830691794 is 49719603861.

16830691794 is a `hidden beast` number, since 168 + 306 + 9 + 179 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16761186225 + 69505569 = 129465^2 + 8337^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16830691794.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 225237 + ... + 290504.

Almost surely, 2^16830691794 is an apocalyptic number.

16830691794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16830691794 is an abundant number, since it is smaller than the sum of its proper divisors (26736097914).

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

16830691794 is a wasteful number, since it uses less digits than its factorization.

16830691794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515800 (or 515790 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

It can be divided in two parts, 168306 and 91794, that added together give a square (260100 = 510²).

The spelling of 16830691794 in words is "sixteen billion, eight hundred thirty million, six hundred ninety-one thousand, seven hundred ninety-four".