196538656 has 12 divisors (see below), whose sum is σ = 386935542. Its totient is φ = 98269312.

The previous prime is 196538653. The next prime is 196538659. The reversal of 196538656 is 656835691.

It is a happy number.

196538656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (196538653) and next prime (196538659).

It can be written as a sum of positive squares in only one way, i.e., 188128656 + 8410000 = 13716^2 + 2900^2 .

It is not an unprimeable number, because it can be changed into a prime (196538651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3070885 + ... + 3070948.

Almost surely, 2^196538656 is an apocalyptic number.

196538656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

196538656 is a deficient number, since it is larger than the sum of its proper divisors (190396886).

196538656 is an equidigital number, since it uses as much as digits as its factorization.

196538656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141843 (or 6141835 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 49.

The square root of 196538656 is about 14019.2245149295. The cubic root of 196538656 is about 581.4102188146.

The spelling of 196538656 in words is "one hundred ninety-six million, five hundred thirty-eight thousand, six hundred fifty-six".