16840725667044 has 72 divisors (see below), whose sum is σ = 41533302117888. Its totient is φ = 5310267543360.

The previous prime is 16840725667027. The next prime is 16840725667069. The reversal of 16840725667044 is 44076652704861.

It is a super-2 number, since 2×16840725667044² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61629 + ... + 5803899.

It is an arithmetic number, because the mean of its divisors is an integer number (576851418304).

Almost surely, 2^{16840725667044} 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 16840725667044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20766651058944).

16840725667044 is an abundant number, since it is smaller than the sum of its proper divisors (24692576450844).

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

16840725667044 is a wasteful number, since it uses less digits than its factorization.

16840725667044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742993 (or 5742972 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 60.

The spelling of 16840725667044 in words is "sixteen trillion, eight hundred forty billion, seven hundred twenty-five million, six hundred sixty-seven thousand, forty-four".