8063761666 has 8 divisors (see below), whose sum is σ = 12168072000. Its totient is φ = 4007737668.

The previous prime is 8063761661. The next prime is 8063761669. The reversal of 8063761666 is 6661673608.

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

It is not an unprimeable number, because it can be changed into a prime (8063761661) 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, 12071166 + ... + 12071833.

It is an arithmetic number, because the mean of its divisors is an integer number (1521009000).

Almost surely, 2^8063761666 is an apocalyptic number.

8063761666 is a deficient number, since it is larger than the sum of its proper divisors (4104310334).

8063761666 is a wasteful number, since it uses less digits than its factorization.

8063761666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24143168.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 8063761666 is about 89798.4502427520. The cubic root of 8063761666 is about 2005.2994178496.

The spelling of 8063761666 in words is "eight billion, sixty-three million, seven hundred sixty-one thousand, six hundred sixty-six".