99996564 has 12 divisors (see below), whose sum is σ = 233325344. Its totient is φ = 33332184.

The previous prime is 99996551. The next prime is 99996577. The reversal of 99996564 is 46569999.

It is an interprime number because it is at equal distance from previous prime (99996551) and next prime (99996577).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4166512 + ... + 4166535.

Almost surely, 2^99996564 is an apocalyptic number.

It is an amenable number.

99996564 is an abundant number, since it is smaller than the sum of its proper divisors (133328780).

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

99996564 is a wasteful number, since it uses less digits than its factorization.

99996564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333054 (or 8333052 counting only the distinct ones).

The product of its digits is 4723920, while the sum is 57.

The square root of 99996564 is about 9999.8281985242. The cubic root of 99996564 is about 464.1535671340.

The spelling of 99996564 in words is "ninety-nine million, nine hundred ninety-six thousand, five hundred sixty-four".