195225997018 has 16 divisors (see below), whose sum is σ = 319164654816. Its totient is φ = 89018711280.

The previous prime is 195225996937. The next prime is 195225997027. The reversal of 195225997018 is 810799522591.

195225997018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×195225997018² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45230928 + ... + 45235243.

It is an arithmetic number, because the mean of its divisors is an integer number (19947790926).

Almost surely, 2^195225997018 is an apocalyptic number.

195225997018 is a deficient number, since it is larger than the sum of its proper divisors (123938657798).

195225997018 is a wasteful number, since it uses less digits than its factorization.

195225997018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90466269.

The product of its (nonzero) digits is 4082400, while the sum is 58.

The spelling of 195225997018 in words is "one hundred ninety-five billion, two hundred twenty-five million, nine hundred ninety-seven thousand, eighteen".