28182195099936 has 144 divisors (see below), whose sum is σ = 83669727121344. Its totient is φ = 8981101020672.

The previous prime is 28182195099887. The next prime is 28182195099983. The reversal of 28182195099936 is 63999059128182.

28182195099936 is a `hidden beast` number, since 2 + 8 + 1 + 8 + 21 + 9 + 509 + 9 + 93 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×28182195099936² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12091290 + ... + 14232486.

It is an arithmetic number, because the mean of its divisors is an integer number (581039771676).

Almost surely, 2^{28182195099936} 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 28182195099936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41834863560672).

28182195099936 is an abundant number, since it is smaller than the sum of its proper divisors (55487532021408).

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

28182195099936 is a wasteful number, since it uses less digits than its factorization.

28182195099936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143223 (or 2143212 counting only the distinct ones).

The product of its (nonzero) digits is 151165440, while the sum is 72.

The spelling of 28182195099936 in words is "twenty-eight trillion, one hundred eighty-two billion, one hundred ninety-five million, ninety-nine thousand, nine hundred thirty-six".