726116666199 has 16 divisors (see below), whose sum is σ = 1007329500000. Its totient is φ = 464683780736.

The previous prime is 726116666189. The next prime is 726116666239. The reversal of 726116666199 is 991666611627.

It is a cyclic number.

It is not a de Polignac number, because 726116666199 - 2⁴ = 726116666183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726116666129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24106824 + ... + 24136925.

It is an arithmetic number, because the mean of its divisors is an integer number (62958093750).

Almost surely, 2^726116666199 is an apocalyptic number.

726116666199 is a deficient number, since it is larger than the sum of its proper divisors (281212833801).

726116666199 is a wasteful number, since it uses less digits than its factorization.

726116666199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48243954.

The product of its digits is 8817984, while the sum is 60.

The spelling of 726116666199 in words is "seven hundred twenty-six billion, one hundred sixteen million, six hundred sixty-six thousand, one hundred ninety-nine".