195889193260 has 24 divisors (see below), whose sum is σ = 433018217520. Its totient is φ = 74231694144.

The previous prime is 195889193251. The next prime is 195889193267. The reversal of 195889193260 is 62391988591.

It is not an unprimeable number, because it can be changed into a prime (195889193267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257748559 + ... + 257749318.

It is an arithmetic number, because the mean of its divisors is an integer number (18042425730).

Almost surely, 2^195889193260 is an apocalyptic number.

195889193260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195889193260 is an abundant number, since it is smaller than the sum of its proper divisors (237129024260).

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

195889193260 is a wasteful number, since it uses less digits than its factorization.

195889193260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515497905 (or 515497903 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 61.

The spelling of 195889193260 in words is "one hundred ninety-five billion, eight hundred eighty-nine million, one hundred ninety-three thousand, two hundred sixty".