9601697866 has 4 divisors (see below), whose sum is σ = 14402546802. Its totient is φ = 4800848932.

The previous prime is 9601697837. The next prime is 9601697887. The reversal of 9601697866 is 6687961069.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6135432241 + 3466265625 = 78329^2 + 58875^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9601697866.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2400424465 + ... + 2400424468.

Almost surely, 2^9601697866 is an apocalyptic number.

9601697866 is a deficient number, since it is larger than the sum of its proper divisors (4800848936).

9601697866 is a wasteful number, since it uses less digits than its factorization.

9601697866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800848935.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The square root of 9601697866 is about 97988.2537144121. The cubic root of 9601697866 is about 2125.4424262470.

The spelling of 9601697866 in words is "nine billion, six hundred one million, six hundred ninety-seven thousand, eight hundred sixty-six".