99071216 has 10 divisors (see below), whose sum is σ = 191950512. Its totient is φ = 49535600.

The previous prime is 99071213. The next prime is 99071267. The reversal of 99071216 is 61217099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99071213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3095960 + ... + 3095991.

Almost surely, 2^99071216 is an apocalyptic number.

It is an amenable number.

99071216 is a deficient number, since it is larger than the sum of its proper divisors (92879296).

99071216 is a wasteful number, since it uses less digits than its factorization.

99071216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191959 (or 6191953 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 99071216 is about 9953.4524663556. The cubic root of 99071216 is about 462.7174002046.

The spelling of 99071216 in words is "ninety-nine million, seventy-one thousand, two hundred sixteen".