99718590446 has 16 divisors (see below), whose sum is σ = 158420615184. Its totient is φ = 46913349504.

The previous prime is 99718590427. The next prime is 99718590449. The reversal of 99718590446 is 64409581799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99718590449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283040 + ... + 528723.

It is an arithmetic number, because the mean of its divisors is an integer number (9901288449).

Almost surely, 2^99718590446 is an apocalyptic number.

99718590446 is a deficient number, since it is larger than the sum of its proper divisors (58702024738).

99718590446 is a wasteful number, since it uses less digits than its factorization.

99718590446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815395.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 99718590446 in words is "ninety-nine billion, seven hundred eighteen million, five hundred ninety thousand, four hundred forty-six".