99964916 has 6 divisors (see below), whose sum is σ = 174938610. Its totient is φ = 49982456.

The previous prime is 99964903. The next prime is 99964933. The reversal of 99964916 is 61946999.

It can be written as a sum of positive squares in only one way, i.e., 60902416 + 39062500 = 7804^2 + 6250^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12495611 + ... + 12495618.

It is an arithmetic number, because the mean of its divisors is an integer number (29156435).

Almost surely, 2^99964916 is an apocalyptic number.

It is an amenable number.

99964916 is a deficient number, since it is larger than the sum of its proper divisors (74973694).

99964916 is a wasteful number, since it uses less digits than its factorization.

99964916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24991233 (or 24991231 counting only the distinct ones).

The product of its digits is 944784, while the sum is 53.

The square root of 99964916 is about 9998.2456461121. The cubic root of 99964916 is about 464.1045951777.

The spelling of 99964916 in words is "ninety-nine million, nine hundred sixty-four thousand, nine hundred sixteen".