16726244673 has 8 divisors (see below), whose sum is σ = 23475431200. Its totient is φ = 10563943968.

The previous prime is 16726244671. The next prime is 16726244747. The reversal of 16726244673 is 37644262761.

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

It is not a de Polignac number, because 16726244673 - 2¹ = 16726244671 is a prime.

It is a super-2 number, since 2×16726244673² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16726244671) 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 7 ways as a sum of consecutive naturals, for example, 146721388 + ... + 146721501.

It is an arithmetic number, because the mean of its divisors is an integer number (2934428900).

Almost surely, 2^16726244673 is an apocalyptic number.

It is an amenable number.

16726244673 is a deficient number, since it is larger than the sum of its proper divisors (6749186527).

16726244673 is a wasteful number, since it uses less digits than its factorization.

16726244673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293442911.

The product of its digits is 2032128, while the sum is 48.

It can be divided in two parts, 1672 and 6244673, that added together give a triangular number (6246345 = T₃₅₃₄).

The spelling of 16726244673 in words is "sixteen billion, seven hundred twenty-six million, two hundred forty-four thousand, six hundred seventy-three".