195266257415 has 8 divisors (see below), whose sum is σ = 234331674720. Its totient is φ = 156204895392.

The previous prime is 195266257393. The next prime is 195266257423. The reversal of 195266257415 is 514752662591.

195266257415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195266257415 - 2¹² = 195266253319 is a prime.

It is a super-2 number, since 2×195266257415² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 906860 + ... + 1101329.

It is an arithmetic number, because the mean of its divisors is an integer number (29291459340).

Almost surely, 2^195266257415 is an apocalyptic number.

195266257415 is a deficient number, since it is larger than the sum of its proper divisors (39065417305).

195266257415 is a wasteful number, since it uses less digits than its factorization.

195266257415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027641.

The product of its digits is 4536000, while the sum is 53.

The spelling of 195266257415 in words is "one hundred ninety-five billion, two hundred sixty-six million, two hundred fifty-seven thousand, four hundred fifteen".