196563407 has 4 divisors (see below), whose sum is σ = 196898856. Its totient is φ = 196227960.

The previous prime is 196563403. The next prime is 196563439. The reversal of 196563407 is 704365691.

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 196563407 - 2² = 196563403 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 (196563403) 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, 166844 + ... + 168017.

It is an arithmetic number, because the mean of its divisors is an integer number (49224714).

Almost surely, 2^196563407 is an apocalyptic number.

196563407 is a deficient number, since it is larger than the sum of its proper divisors (335449).

196563407 is an equidigital number, since it uses as much as digits as its factorization.

196563407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335448.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 196563407 is about 14020.1072392475. The cubic root of 196563407 is about 581.4346243278.

The spelling of 196563407 in words is "one hundred ninety-six million, five hundred sixty-three thousand, four hundred seven".