196648418 has 16 divisors (see below), whose sum is σ = 312626304. Its totient is φ = 92450880.

The previous prime is 196648409. The next prime is 196648421. The reversal of 196648418 is 814846691.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44363 + ... + 48593.

It is an arithmetic number, because the mean of its divisors is an integer number (19539144).

Almost surely, 2^196648418 is an apocalyptic number.

196648418 is a deficient number, since it is larger than the sum of its proper divisors (115977886).

196648418 is a wasteful number, since it uses less digits than its factorization.

196648418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617.

The product of its digits is 331776, while the sum is 47.

The square root of 196648418 is about 14023.1386643647. The cubic root of 196648418 is about 581.5184331025.

It can be divided in two parts, 19664 and 8418, that added together give a palindrome (28082).

The spelling of 196648418 in words is "one hundred ninety-six million, six hundred forty-eight thousand, four hundred eighteen".