766775161066 has 16 divisors (see below), whose sum is σ = 1155152770560. Its totient is φ = 381725568000.

The previous prime is 766775161039. The next prime is 766775161069. The reversal of 766775161066 is 660161577667.

766775161066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 766775161066.

It is not an unprimeable number, because it can be changed into a prime (766775161069) 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, 825655 + ... + 1488373.

It is an arithmetic number, because the mean of its divisors is an integer number (72197048160).

Almost surely, 2^766775161066 is an apocalyptic number.

766775161066 is a deficient number, since it is larger than the sum of its proper divisors (388377609494).

766775161066 is a wasteful number, since it uses less digits than its factorization.

766775161066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665229.

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 766775161066 in words is "seven hundred sixty-six billion, seven hundred seventy-five million, one hundred sixty-one thousand, sixty-six".