166082769 has 12 divisors (see below), whose sum is σ = 240048900. Its totient is φ = 110651904.

The previous prime is 166082729. The next prime is 166082783. The reversal of 166082769 is 967280661.

166082769 is a `hidden beast` number, since 16 + 608 + 27 + 6 + 9 = 666.

166082769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 68310225 + 97772544 = 8265^2 + 9888^2 .

It is not a de Polignac number, because 166082769 - 2¹² = 166078673 is a prime.

It is a super-2 number, since 2×166082769² = 55166972317414722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166082729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12117 + ... + 21885.

It is an arithmetic number, because the mean of its divisors is an integer number (20004075).

Almost surely, 2^166082769 is an apocalyptic number.

It is an amenable number.

166082769 is a deficient number, since it is larger than the sum of its proper divisors (73966131).

166082769 is a wasteful number, since it uses less digits than its factorization.

166082769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11664 (or 11661 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 166082769 is about 12887.3103865780. The cubic root of 166082769 is about 549.6777936479.

The spelling of 166082769 in words is "one hundred sixty-six million, eighty-two thousand, seven hundred sixty-nine".