195073671168 has 190 divisors, whose sum is σ = 582875023676. Its totient is φ = 65017479168.

The previous prime is 195073671151. The next prime is 195073671173. The reversal of 195073671168 is 861176370591.

195073671168 is a `hidden beast` number, since 1 + 9 + 507 + 3 + 6 + 71 + 1 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21229071 + ... + 21238257.

Almost surely, 2^195073671168 is an apocalyptic number.

195073671168 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 195073671168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291437511838).

195073671168 is an abundant number, since it is smaller than the sum of its proper divisors (387801352508).

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

195073671168 is an frugal number, since it uses more digits than its factorization.

195073671168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9235 (or 9192 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 195073671168 in words is "one hundred ninety-five billion, seventy-three million, six hundred seventy-one thousand, one hundred sixty-eight".