195197685696 has 168 divisors, whose sum is σ = 604223998560. Its totient is φ = 59892701184.

The previous prime is 195197685689. The next prime is 195197685713. The reversal of 195197685696 is 696586791591.

195197685696 is a `hidden beast` number, since 1 + 9 + 51 + 9 + 7 + 6 + 8 + 569 + 6 = 666.

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

It is a congruent number.

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, 2651886 + ... + 2724498.

It is an arithmetic number, because the mean of its divisors is an integer number (3596571420).

Almost surely, 2^195197685696 is an apocalyptic number.

195197685696 is a gapful number since it is divisible by the number (16) 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 195197685696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302111999280).

195197685696 is an abundant number, since it is smaller than the sum of its proper divisors (409026312864).

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

195197685696 is a wasteful number, since it uses less digits than its factorization.

195197685696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73003 (or 72990 counting only the distinct ones).

The product of its digits is 220449600, while the sum is 72.

The spelling of 195197685696 in words is "one hundred ninety-five billion, one hundred ninety-seven million, six hundred eighty-five thousand, six hundred ninety-six".