16864742722 has 8 divisors (see below), whose sum is σ = 26628541200. Its totient is φ = 7988562324.

The previous prime is 16864742701. The next prime is 16864742731. The reversal of 16864742722 is 22724746861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 221904472 + ... + 221904547.

It is an arithmetic number, because the mean of its divisors is an integer number (3328567650).

Almost surely, 2^16864742722 is an apocalyptic number.

16864742722 is a deficient number, since it is larger than the sum of its proper divisors (9763798478).

16864742722 is a wasteful number, since it uses less digits than its factorization.

16864742722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443809040.

The product of its digits is 1806336, while the sum is 49.

The spelling of 16864742722 in words is "sixteen billion, eight hundred sixty-four million, seven hundred forty-two thousand, seven hundred twenty-two".