16790641682 has 4 divisors (see below), whose sum is σ = 25185962526. Its totient is φ = 8395320840.

The previous prime is 16790641661. The next prime is 16790641687. The reversal of 16790641682 is 28614609761.

16790641682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9949863001 + 6840778681 = 99749^2 + 82709^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16790641682.

It is not an unprimeable number, because it can be changed into a prime (16790641687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4197660419 + ... + 4197660422.

Almost surely, 2^16790641682 is an apocalyptic number.

16790641682 is a deficient number, since it is larger than the sum of its proper divisors (8395320844).

16790641682 is an equidigital number, since it uses as much as digits as its factorization.

16790641682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8395320843.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 16790641682 in words is "sixteen billion, seven hundred ninety million, six hundred forty-one thousand, six hundred eighty-two".