99866448264 has 128 divisors (see below), whose sum is σ = 286853529600. Its totient is φ = 28654237440.

The previous prime is 99866448251. The next prime is 99866448281. The reversal of 99866448264 is 46284466899.

It is a super-2 number, since 2×99866448264² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 99866448195 and 99866448204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11818489 + ... + 11826935.

It is an arithmetic number, because the mean of its divisors is an integer number (2241043200).

Almost surely, 2^99866448264 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 99866448264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143426764800).

99866448264 is an abundant number, since it is smaller than the sum of its proper divisors (186987081336).

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

99866448264 is a wasteful number, since it uses less digits than its factorization.

99866448264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10843 (or 10839 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 66.

The spelling of 99866448264 in words is "ninety-nine billion, eight hundred sixty-six million, four hundred forty-eight thousand, two hundred sixty-four".