9630076661 has 4 divisors (see below), whose sum is σ = 9962148300. Its totient is φ = 9298005024.

The previous prime is 9630076637. The next prime is 9630076681. The reversal of 9630076661 is 1666700369.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1666700369 = 1471 ⋅1133039.

It can be written as a sum of positive squares in 2 ways, for example, as 7100590225 + 2529486436 = 84265^2 + 50294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9630076661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9630076601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166035776 + ... + 166035833.

It is an arithmetic number, because the mean of its divisors is an integer number (2490537075).

Almost surely, 2^9630076661 is an apocalyptic number.

It is an amenable number.

9630076661 is a deficient number, since it is larger than the sum of its proper divisors (332071639).

9630076661 is a wasteful number, since it uses less digits than its factorization.

9630076661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332071638.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 9630076661 is about 98132.9540011917. The cubic root of 9630076661 is about 2127.5343537475.

The spelling of 9630076661 in words is "nine billion, six hundred thirty million, seventy-six thousand, six hundred sixty-one".