726810166712 has 64 divisors (see below), whose sum is σ = 1582829406720. Its totient is φ = 306426814848.

The previous prime is 726810166699. The next prime is 726810166727. The reversal of 726810166712 is 217661018627.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2657378 + ... + 2918094.

It is an arithmetic number, because the mean of its divisors is an integer number (24731709480).

Almost surely, 2^726810166712 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 726810166712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791414703360).

726810166712 is an abundant number, since it is smaller than the sum of its proper divisors (856019240008).

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

726810166712 is a wasteful number, since it uses less digits than its factorization.

726810166712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261540 (or 261536 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 726810166712 in words is "seven hundred twenty-six billion, eight hundred ten million, one hundred sixty-six thousand, seven hundred twelve".