99215694446 has 32 divisors (see below), whose sum is σ = 165587079168. Its totient is φ = 44207259840.

The previous prime is 99215694419. The next prime is 99215694451. The reversal of 99215694446 is 64449651299.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72275 + ... + 451281.

It is an arithmetic number, because the mean of its divisors is an integer number (5174596224).

Almost surely, 2^99215694446 is an apocalyptic number.

99215694446 is a deficient number, since it is larger than the sum of its proper divisors (66371384722).

99215694446 is a wasteful number, since it uses less digits than its factorization.

99215694446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379256.

The product of its digits is 16796160, while the sum is 59.

The spelling of 99215694446 in words is "ninety-nine billion, two hundred fifteen million, six hundred ninety-four thousand, four hundred forty-six".