195036646 has 16 divisors (see below), whose sum is σ = 334529280. Its totient is φ = 83541960.

The previous prime is 195036641. The next prime is 195036649. The reversal of 195036646 is 646630591.

It is a junction number, because it is equal to n+sod(n) for n = 195036599 and 195036608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195036641) 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, 43665 + ... + 47923.

It is an arithmetic number, because the mean of its divisors is an integer number (20908080).

Almost surely, 2^195036646 is an apocalyptic number.

195036646 is a deficient number, since it is larger than the sum of its proper divisors (139492634).

195036646 is a wasteful number, since it uses less digits than its factorization.

195036646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7539.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 195036646 is about 13965.5521194115. The cubic root of 195036646 is about 579.9253233226.

The spelling of 195036646 in words is "one hundred ninety-five million, thirty-six thousand, six hundred forty-six".