195969408565248 has 912 divisors, whose sum is σ = 614106741545856. Its totient is φ = 59993311150080.

The previous prime is 195969408565223. The next prime is 195969408565253. The reversal of 195969408565248 is 842565804969591.

195969408565248 is a `hidden beast` number, since 1 + 9 + 5 + 9 + 6 + 9 + 4 + 0 + 8 + 565 + 2 + 48 = 666.

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 423260061465 + ... + 423260061927.

Almost surely, 2^{195969408565248} is an apocalyptic number.

195969408565248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195969408565248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307053370772928).

195969408565248 is an abundant number, since it is smaller than the sum of its proper divisors (418137332980608).

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

195969408565248 is an equidigital number, since it uses as much as digits as its factorization.

195969408565248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 6718464000, while the sum is 81.

The spelling of 195969408565248 in words is "one hundred ninety-five trillion, nine hundred sixty-nine billion, four hundred eight million, five hundred sixty-five thousand, two hundred forty-eight".