99181040132 has 12 divisors (see below), whose sum is σ = 173626506060. Its totient is φ = 49573466976.

The previous prime is 99181040129. The next prime is 99181040141. The reversal of 99181040132 is 23104018199.

It can be written as a sum of positive squares in 2 ways, for example, as 41789171776 + 57391868356 = 204424^2 + 239566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4250183 + ... + 4273454.

It is an arithmetic number, because the mean of its divisors is an integer number (14468875505).

Almost surely, 2^99181040132 is an apocalyptic number.

It is an amenable number.

99181040132 is a deficient number, since it is larger than the sum of its proper divisors (74445465928).

99181040132 is a wasteful number, since it uses less digits than its factorization.

99181040132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8526550 (or 8526548 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 99181040132 in words is "ninety-nine billion, one hundred eighty-one million, forty thousand, one hundred thirty-two".