7666632961 has 8 divisors (see below), whose sum is σ = 8258068224. Its totient is φ = 7075439760.

The previous prime is 7666632913. The next prime is 7666633001. The reversal of 7666632961 is 1692366667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7666632961 - 2²³ = 7658244353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7666632899 and 7666632908.

It is not an unprimeable number, because it can be changed into a prime (7666636961) 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, 8166 + ... + 124096.

It is an arithmetic number, because the mean of its divisors is an integer number (1032258528).

Almost surely, 2^7666632961 is an apocalyptic number.

It is an amenable number.

7666632961 is a deficient number, since it is larger than the sum of its proper divisors (591435263).

7666632961 is a wasteful number, since it uses less digits than its factorization.

7666632961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121031.

The product of its digits is 2939328, while the sum is 52.

The square root of 7666632961 is about 87559.3111039597. The cubic root of 7666632961 is about 1971.8243435880.

The spelling of 7666632961 in words is "seven billion, six hundred sixty-six million, six hundred thirty-two thousand, nine hundred sixty-one".