99377664 has 160 divisors (see below), whose sum is σ = 288731520. Its totient is φ = 30277632.

The previous prime is 99377659. The next prime is 99377701. The reversal of 99377664 is 46677399.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1024464 + ... + 1024560.

It is an arithmetic number, because the mean of its divisors is an integer number (1804572).

Almost surely, 2^99377664 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 99377664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144365760).

99377664 is an abundant number, since it is smaller than the sum of its proper divisors (189353856).

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

99377664 is a wasteful number, since it uses less digits than its factorization.

99377664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 154 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 51.

The square root of 99377664 is about 9968.8346360044. The cubic root of 99377664 is about 463.1940030425.

The spelling of 99377664 in words is "ninety-nine million, three hundred seventy-seven thousand, six hundred sixty-four".