195961506 has 32 divisors (see below), whose sum is σ = 427170240. Its totient is φ = 59567424.

The previous prime is 195961501. The next prime is 195961523. The reversal of 195961506 is 605169591.

It is not an unprimeable number, because it can be changed into a prime (195961501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8661 + ... + 21608.

It is an arithmetic number, because the mean of its divisors is an integer number (13349070).

Almost surely, 2^195961506 is an apocalyptic number.

195961506 is an abundant number, since it is smaller than the sum of its proper divisors (231208734).

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

195961506 is a wasteful number, since it uses less digits than its factorization.

195961506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30370.

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 195961506 is about 13998.6251467778. The cubic root of 195961506 is about 580.8405430778.

The spelling of 195961506 in words is "one hundred ninety-five million, nine hundred sixty-one thousand, five hundred six".