195540506 has 16 divisors (see below), whose sum is σ = 336522816. Its totient is φ = 83475456.

The previous prime is 195540497. The next prime is 195540547. The reversal of 195540506 is 605045591.

It is a Curzon number.

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, 23576 + ... + 30771.

It is an arithmetic number, because the mean of its divisors is an integer number (21032676).

Almost surely, 2^195540506 is an apocalyptic number.

195540506 is a deficient number, since it is larger than the sum of its proper divisors (140982310).

195540506 is a wasteful number, since it uses less digits than its factorization.

195540506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54613.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 195540506 is about 13983.5798706912. The cubic root of 195540506 is about 580.4242892256.

The spelling of 195540506 in words is "one hundred ninety-five million, five hundred forty thousand, five hundred six".