99901836126 has 48 divisors (see below), whose sum is σ = 217735522368. Its totient is φ = 33103598400.

The previous prime is 99901836121. The next prime is 99901836169. The reversal of 99901836126 is 62163810999.

99901836126 is a `hidden beast` number, since 9 + 9 + 9 + 0 + 18 + 3 + 612 + 6 = 666.

It is a super-2 number, since 2×99901836126² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99901836121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11845131 + ... + 11853561.

It is an arithmetic number, because the mean of its divisors is an integer number (4536156716).

Almost surely, 2^99901836126 is an apocalyptic number.

99901836126 is an abundant number, since it is smaller than the sum of its proper divisors (117833686242).

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

99901836126 is a wasteful number, since it uses less digits than its factorization.

99901836126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12257 (or 12254 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 99901836126 in words is "ninety-nine billion, nine hundred one million, eight hundred thirty-six thousand, one hundred twenty-six".