196664446 has 24 divisors (see below), whose sum is σ = 325057320. Its totient is φ = 89171280.

The previous prime is 196664443. The next prime is 196664471. The reversal of 196664446 is 644466691.

It is a junction number, because it is equal to n+sod(n) for n = 196664396 and 196664405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196664443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134065 + ... + 135523.

It is an arithmetic number, because the mean of its divisors is an integer number (13544055).

Almost surely, 2^196664446 is an apocalyptic number.

196664446 is a deficient number, since it is larger than the sum of its proper divisors (128392874).

196664446 is a wasteful number, since it uses less digits than its factorization.

196664446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2029 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The square root of 196664446 is about 14023.7101367648. The cubic root of 196664446 is about 581.5342317282.

The spelling of 196664446 in words is "one hundred ninety-six million, six hundred sixty-four thousand, four hundred forty-six".