1995504345216 has 96 divisors (see below), whose sum is σ = 5742769488300. Its totient is φ = 665110444032.

The previous prime is 1995504345209. The next prime is 1995504345217. The reversal of 1995504345216 is 6125434055991.

It is a happy number.

1995504345216 is a `hidden beast` number, since 1 + 9 + 9 + 550 + 4 + 34 + 52 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1864535630400 + 130968714816 = 1365480^2 + 361896^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1995504345217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14433730 + ... + 14571326.

Almost surely, 2^{1995504345216} is an apocalyptic number.

1995504345216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1995504345216 is an abundant number, since it is smaller than the sum of its proper divisors (3747265143084).

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

1995504345216 is a wasteful number, since it uses less digits than its factorization.

1995504345216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150206 (or 150191 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 1995504345216 in words is "one trillion, nine hundred ninety-five billion, five hundred four million, three hundred forty-five thousand, two hundred sixteen".