16726616872 has 48 divisors (see below), whose sum is σ = 36536188320. Its totient is φ = 7158060000.

The previous prime is 16726616869. The next prime is 16726616891. The reversal of 16726616872 is 27861662761.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239997 + ... + 301747.

It is an arithmetic number, because the mean of its divisors is an integer number (761170590).

Almost surely, 2^16726616872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16726616872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18268094160).

16726616872 is an abundant number, since it is smaller than the sum of its proper divisors (19809571448).

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

16726616872 is a wasteful number, since it uses less digits than its factorization.

16726616872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62462 (or 62451 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The spelling of 16726616872 in words is "sixteen billion, seven hundred twenty-six million, six hundred sixteen thousand, eight hundred seventy-two".