99104599550 has 24 divisors (see below), whose sum is σ = 201092243112. Its totient is φ = 36038036000.

The previous prime is 99104599549. The next prime is 99104599589. The reversal of 99104599550 is 5599540199.

It is a super-3 number, since 3×99104599550³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90094541 + ... + 90095640.

It is an arithmetic number, because the mean of its divisors is an integer number (8378843463).

Almost surely, 2^99104599550 is an apocalyptic number.

99104599550 is an abundant number, since it is smaller than the sum of its proper divisors (101987643562).

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

99104599550 is a wasteful number, since it uses less digits than its factorization.

99104599550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180190204 (or 180190199 counting only the distinct ones).

The product of its (nonzero) digits is 3280500, while the sum is 56.

The spelling of 99104599550 in words is "ninety-nine billion, one hundred four million, five hundred ninety-nine thousand, five hundred fifty".