7661676646 has 8 divisors (see below), whose sum is σ = 12376554624. Its totient is φ = 3536158440.

The previous prime is 7661676623. The next prime is 7661676647. The reversal of 7661676646 is 6466761667.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7661676647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147339910 + ... + 147339961.

It is an arithmetic number, because the mean of its divisors is an integer number (1547069328).

Almost surely, 2^7661676646 is an apocalyptic number.

7661676646 is a deficient number, since it is larger than the sum of its proper divisors (4714877978).

7661676646 is a wasteful number, since it uses less digits than its factorization.

7661676646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294679886.

The product of its digits is 9144576, while the sum is 55.

The square root of 7661676646 is about 87531.0039128993. The cubic root of 7661676646 is about 1971.3993378353.

The spelling of 7661676646 in words is "seven billion, six hundred sixty-one million, six hundred seventy-six thousand, six hundred forty-six".