99183401856 has 768 divisors, whose sum is σ = 379934822400. Its totient is φ = 24908083200.

The previous prime is 99183401851. The next prime is 99183401881. The reversal of 99183401856 is 65810438199.

99183401856 is a `hidden beast` number, since 9 + 9 + 183 + 401 + 8 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99183401851) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 90743646 + ... + 90744738.

It is an arithmetic number, because the mean of its divisors is an integer number (494706800).

Almost surely, 2^99183401856 is an apocalyptic number.

99183401856 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99183401856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189967411200).

99183401856 is an abundant number, since it is smaller than the sum of its proper divisors (280751420544).

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

99183401856 is a wasteful number, since it uses less digits than its factorization.

99183401856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 99183401856 in words is "ninety-nine billion, one hundred eighty-three million, four hundred one thousand, eight hundred fifty-six".