195505069506 has 16 divisors (see below), whose sum is σ = 391027574784. Its totient is φ = 65165450544.

The previous prime is 195505069447. The next prime is 195505069523. The reversal of 195505069506 is 605960505591.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578401 + ... + 851796.

It is an arithmetic number, because the mean of its divisors is an integer number (24439223424).

Almost surely, 2^195505069506 is an apocalyptic number.

195505069506 is an abundant number, since it is smaller than the sum of its proper divisors (195522505278).

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

195505069506 is a wasteful number, since it uses less digits than its factorization.

195505069506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452985.

The product of its (nonzero) digits is 1822500, while the sum is 51.

The spelling of 195505069506 in words is "one hundred ninety-five billion, five hundred five million, sixty-nine thousand, five hundred six".