195527021088 has 192 divisors, whose sum is σ = 607400156160. Its totient is φ = 53885862912.

The previous prime is 195527021083. The next prime is 195527021099. The reversal of 195527021088 is 880120725591.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (195527021083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22660231 + ... + 22668857.

It is an arithmetic number, because the mean of its divisors is an integer number (3163542480).

Almost surely, 2^195527021088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195527021088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303700078080).

195527021088 is an abundant number, since it is smaller than the sum of its proper divisors (411873135072).

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

195527021088 is a wasteful number, since it uses less digits than its factorization.

195527021088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9839 (or 9831 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 48.

The spelling of 195527021088 in words is "one hundred ninety-five billion, five hundred twenty-seven million, twenty-one thousand, eighty-eight".