99754905618 has 128 divisors (see below), whose sum is σ = 229122432000. Its totient is φ = 32152329216.

The previous prime is 99754905583. The next prime is 99754905619. The reversal of 99754905618 is 81650945799.

99754905618 is a `hidden beast` number, since 9 + 9 + 7 + 5 + 4 + 9 + 0 + 5 + 618 = 666.

It is not an unprimeable number, because it can be changed into a prime (99754905619) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 169939921 + ... + 169940507.

It is an arithmetic number, because the mean of its divisors is an integer number (1790019000).

Almost surely, 2^99754905618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99754905618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114561216000).

99754905618 is an abundant number, since it is smaller than the sum of its proper divisors (129367526382).

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

99754905618 is a wasteful number, since it uses less digits than its factorization.

99754905618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 63.

The spelling of 99754905618 in words is "ninety-nine billion, seven hundred fifty-four million, nine hundred five thousand, six hundred eighteen".