16699546692 has 72 divisors (see below), whose sum is σ = 44732633400. Its totient is φ = 5234761728.

The previous prime is 16699546691. The next prime is 16699546769. The reversal of 16699546692 is 29664599661.

16699546692 is a `hidden beast` number, since 166 + 9 + 9 + 5 + 466 + 9 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12103520256 + 4596026436 = 110016^2 + 67794^2 .

It is not an unprimeable number, because it can be changed into a prime (16699546691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 778284 + ... + 799452.

It is an arithmetic number, because the mean of its divisors is an integer number (621286575).

Almost surely, 2^16699546692 is an apocalyptic number.

16699546692 is a gapful number since it is divisible by the number (12) 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 16699546692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22366316700).

16699546692 is an abundant number, since it is smaller than the sum of its proper divisors (28033086708).

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

16699546692 is a wasteful number, since it uses less digits than its factorization.

16699546692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22485 (or 22480 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 63.

It can be divided in two parts, 16699 and 546692, that added together give a triangular number (563391 = T₁₀₆₁).

The spelling of 16699546692 in words is "sixteen billion, six hundred ninety-nine million, five hundred forty-six thousand, six hundred ninety-two".