99061357408 has 192 divisors, whose sum is σ = 220657010112. Its totient is φ = 43475927040.

The previous prime is 99061357403. The next prime is 99061357469. The reversal of 99061357408 is 80475316099.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99061357403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147193360 + ... + 147194032.

It is an arithmetic number, because the mean of its divisors is an integer number (1149255261).

Almost surely, 2^99061357408 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 99061357408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110328505056).

99061357408 is an abundant number, since it is smaller than the sum of its proper divisors (121595652704).

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

99061357408 is a wasteful number, since it uses less digits than its factorization.

99061357408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 99061357408 in words is "ninety-nine billion, sixty-one million, three hundred fifty-seven thousand, four hundred eight".