196648864 has 12 divisors (see below), whose sum is σ = 387152514. Its totient is φ = 98324416.

The previous prime is 196648861. The next prime is 196648871. The reversal of 196648864 is 468846691.

It can be written as a sum of positive squares in only one way, i.e., 123032464 + 73616400 = 11092^2 + 8580^2 .

It is not an unprimeable number, because it can be changed into a prime (196648861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3072607 + ... + 3072670.

Almost surely, 2^196648864 is an apocalyptic number.

It is an amenable number.

196648864 is a deficient number, since it is larger than the sum of its proper divisors (190503650).

196648864 is an equidigital number, since it uses as much as digits as its factorization.

196648864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145287 (or 6145279 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The square root of 196648864 is about 14023.1545666444. The cubic root of 196648864 is about 581.5188727315.

The spelling of 196648864 in words is "one hundred ninety-six million, six hundred forty-eight thousand, eight hundred sixty-four".