196311656 has 8 divisors (see below), whose sum is σ = 368084370. Its totient is φ = 98155824.

The previous prime is 196311617. The next prime is 196311671. The reversal of 196311656 is 656113691.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 126922756 + 69388900 = 11266^2 + 8330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12269471 + ... + 12269486.

Almost surely, 2^196311656 is an apocalyptic number.

It is an amenable number.

196311656 is a deficient number, since it is larger than the sum of its proper divisors (171772714).

196311656 is a wasteful number, since it uses less digits than its factorization.

196311656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24538963 (or 24538959 counting only the distinct ones).

The product of its digits is 29160, while the sum is 38.

The square root of 196311656 is about 14011.1261503135. The cubic root of 196311656 is about 581.1862917649.

The spelling of 196311656 in words is "one hundred ninety-six million, three hundred eleven thousand, six hundred fifty-six".