195087815794896 has 40 divisors (see below), whose sum is σ = 533622554970624. Its totient is φ = 61204020641280.

The previous prime is 195087815794889. The next prime is 195087815794943. The reversal of 195087815794896 is 698497518780591.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119539102000 + ... + 119539103631.

Almost surely, 2^{195087815794896} is an apocalyptic number.

195087815794896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

195087815794896 is an abundant number, since it is smaller than the sum of its proper divisors (338534739175728).

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

195087815794896 is a wasteful number, since it uses less digits than its factorization.

195087815794896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239078205659 (or 239078205653 counting only the distinct ones).

The product of its (nonzero) digits is 10973491200, while the sum is 87.

The spelling of 195087815794896 in words is "one hundred ninety-five trillion, eighty-seven billion, eight hundred fifteen million, seven hundred ninety-four thousand, eight hundred ninety-six".