99651552 has 384 divisors, whose sum is σ = 377975808. Its totient is φ = 22118400.

The previous prime is 99651551. The next prime is 99651631. The reversal of 99651552 is 25515699.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99651551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1633602 + ... + 1633662.

It is an arithmetic number, because the mean of its divisors is an integer number (984312).

Almost surely, 2^99651552 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 99651552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188987904).

99651552 is an abundant number, since it is smaller than the sum of its proper divisors (278324256).

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

99651552 is a wasteful number, since it uses less digits than its factorization.

99651552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 114 counting only the distinct ones).

The product of its digits is 121500, while the sum is 42.

The square root of 99651552 is about 9982.5623964992. The cubic root of 99651552 is about 463.6191385163.

The spelling of 99651552 in words is "ninety-nine million, six hundred fifty-one thousand, five hundred fifty-two".