196657426 has 16 divisors (see below), whose sum is σ = 340917120. Its totient is φ = 83334240.

The previous prime is 196657423. The next prime is 196657427. The reversal of 196657426 is 624756691.

It is not an unprimeable number, because it can be changed into a prime (196657421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77670 + ... + 80161.

It is an arithmetic number, because the mean of its divisors is an integer number (21307320).

Almost surely, 2^196657426 is an apocalyptic number.

196657426 is a deficient number, since it is larger than the sum of its proper divisors (144259694).

196657426 is a wasteful number, since it uses less digits than its factorization.

196657426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157929.

The product of its digits is 544320, while the sum is 46.

The square root of 196657426 is about 14023.4598441326. The cubic root of 196657426 is about 581.5273122960.

The spelling of 196657426 in words is "one hundred ninety-six million, six hundred fifty-seven thousand, four hundred twenty-six".