99216726 has 32 divisors (see below), whose sum is σ = 240122880. Its totient is φ = 26679936.

The previous prime is 99216697. The next prime is 99216731. The reversal of 99216726 is 62761299.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

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, 68766 + ... + 70193.

It is an arithmetic number, because the mean of its divisors is an integer number (7503840).

Almost surely, 2^99216726 is an apocalyptic number.

99216726 is an abundant number, since it is smaller than the sum of its proper divisors (140906154).

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

99216726 is a wasteful number, since it uses less digits than its factorization.

99216726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138988.

The product of its digits is 81648, while the sum is 42.

The square root of 99216726 is about 9960.7593084062. The cubic root of 99216726 is about 462.9438267929.

The spelling of 99216726 in words is "ninety-nine million, two hundred sixteen thousand, seven hundred twenty-six".