99532465188 has 144 divisors (see below), whose sum is σ = 261193033920. Its totient is φ = 29290641408.

The previous prime is 99532465187. The next prime is 99532465189. The reversal of 99532465188 is 88156423599.

It is an interprime number because it is at equal distance from previous prime (99532465187) and next prime (99532465189).

It is not an unprimeable number, because it can be changed into a prime (99532465187) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57766095 + ... + 57767817.

Almost surely, 2^99532465188 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 99532465188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130596516960).

99532465188 is an abundant number, since it is smaller than the sum of its proper divisors (161660568732).

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

99532465188 is a wasteful number, since it uses less digits than its factorization.

99532465188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998 (or 1883 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 60.

The spelling of 99532465188 in words is "ninety-nine billion, five hundred thirty-two million, four hundred sixty-five thousand, one hundred eighty-eight".