99105664 has 32 divisors (see below), whose sum is σ = 225644400. Its totient is φ = 42473472.

The previous prime is 99105661. The next prime is 99105697. The reversal of 99105664 is 46650199.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99105661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54409 + ... + 56200.

Almost surely, 2^99105664 is an apocalyptic number.

It is an amenable number.

99105664 is an abundant number, since it is smaller than the sum of its proper divisors (126538736).

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

99105664 is a wasteful number, since it uses less digits than its factorization.

99105664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110630 (or 110618 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 99105664 is about 9955.1827707983. The cubic root of 99105664 is about 462.7710243971.

The spelling of 99105664 in words is "ninety-nine million, one hundred five thousand, six hundred sixty-four".