99455664 has 160 divisors (see below), whose sum is σ = 325693440. Its totient is φ = 25401600.

The previous prime is 99455617. The next prime is 99455677. The reversal of 99455664 is 46655499.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262227 + ... + 262605.

It is an arithmetic number, because the mean of its divisors is an integer number (2035584).

Almost surely, 2^99455664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99455664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162846720).

99455664 is an abundant number, since it is smaller than the sum of its proper divisors (226237776).

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

99455664 is a wasteful number, since it uses less digits than its factorization.

99455664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 473 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The square root of 99455664 is about 9972.7460611408. The cubic root of 99455664 is about 463.3151559673.

The spelling of 99455664 in words is "ninety-nine million, four hundred fifty-five thousand, six hundred sixty-four".