196605518 has 16 divisors (see below), whose sum is σ = 308206080. Its totient is φ = 93883416.

The previous prime is 196605511. The next prime is 196605533. The reversal of 196605518 is 815506691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196605511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30503 + ... + 36381.

It is an arithmetic number, because the mean of its divisors is an integer number (19262880).

Almost surely, 2^196605518 is an apocalyptic number.

196605518 is a deficient number, since it is larger than the sum of its proper divisors (111600562).

196605518 is a wasteful number, since it uses less digits than its factorization.

196605518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 196605518 is about 14021.6089661636. The cubic root of 196605518 is about 581.4761428138.

The spelling of 196605518 in words is "one hundred ninety-six million, six hundred five thousand, five hundred eighteen".