766667166 has 32 divisors (see below), whose sum is σ = 1547175168. Its totient is φ = 253257600.

The previous prime is 766667147. The next prime is 766667177. The reversal of 766667166 is 661766667.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 536545 + ... + 537971.

It is an arithmetic number, because the mean of its divisors is an integer number (48349224).

Almost surely, 2^766667166 is an apocalyptic number.

766667166 is an abundant number, since it is smaller than the sum of its proper divisors (780508002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766667166 is a wasteful number, since it uses less digits than its factorization.

766667166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176.

The product of its digits is 2286144, while the sum is 51.

The square root of 766667166 is about 27688.7552266258. The cubic root of 766667166 is about 915.2413254592.

The spelling of 766667166 in words is "seven hundred sixty-six million, six hundred sixty-seven thousand, one hundred sixty-six".