99556870452 has 96 divisors (see below), whose sum is σ = 251958376320. Its totient is φ = 30595219200.

The previous prime is 99556870447. The next prime is 99556870463. The reversal of 99556870452 is 25407865599.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27706768 + ... + 27710360.

It is an arithmetic number, because the mean of its divisors is an integer number (2624566420).

Almost surely, 2^99556870452 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 99556870452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125979188160).

99556870452 is an abundant number, since it is smaller than the sum of its proper divisors (152401505868).

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

99556870452 is a wasteful number, since it uses less digits than its factorization.

99556870452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690 (or 4662 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 60.

The spelling of 99556870452 in words is "ninety-nine billion, five hundred fifty-six million, eight hundred seventy thousand, four hundred fifty-two".