1995822365184 has 120 divisors (see below), whose sum is σ = 5761596786660. Its totient is φ = 665098764288.

The previous prime is 1995822365137. The next prime is 1995822365231. The reversal of 1995822365184 is 4815632285991.

1995822365184 is a `hidden beast` number, since 1 + 9 + 9 + 5 + 82 + 2 + 36 + 518 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1995822365137) and next prime (1995822365231).

It can be written as a sum of positive squares in 2 ways, for example, as 1969733654784 + 26088710400 = 1403472^2 + 161520^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18049714 + ... + 18159950.

Almost surely, 2^{1995822365184} 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 1995822365184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2880798393330).

1995822365184 is an abundant number, since it is smaller than the sum of its proper divisors (3765774421476).

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

1995822365184 is a wasteful number, since it uses less digits than its factorization.

1995822365184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114190 (or 114171 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 63.

The spelling of 1995822365184 in words is "one trillion, nine hundred ninety-five billion, eight hundred twenty-two million, three hundred sixty-five thousand, one hundred eighty-four".