196642583 has 4 divisors (see below), whose sum is σ = 196674360. Its totient is φ = 196610808.

The previous prime is 196642573. The next prime is 196642597. The reversal of 196642583 is 385246691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196642583 - 2¹⁶ = 196577047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196642513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3260 + ... + 20097.

It is an arithmetic number, because the mean of its divisors is an integer number (49168590).

Almost surely, 2^196642583 is an apocalyptic number.

196642583 is a deficient number, since it is larger than the sum of its proper divisors (31777).

196642583 is an equidigital number, since it uses as much as digits as its factorization.

196642583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31776.

The product of its digits is 311040, while the sum is 44.

The square root of 196642583 is about 14022.9306138196. The cubic root of 196642583 is about 581.5126813932.

The spelling of 196642583 in words is "one hundred ninety-six million, six hundred forty-two thousand, five hundred eighty-three".