166266882 has 12 divisors (see below), whose sum is σ = 360244950. Its totient is φ = 55422288.

The previous prime is 166266869. The next prime is 166266887. The reversal of 166266882 is 288662661.

166266882 is a `hidden beast` number, since 16 + 626 + 6 + 8 + 8 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 127441521 + 38825361 = 11289^2 + 6231^2 .

It is not an unprimeable number, because it can be changed into a prime (166266887) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4618507 + ... + 4618542.

Almost surely, 2^166266882 is an apocalyptic number.

166266882 is an abundant number, since it is smaller than the sum of its proper divisors (193978068).

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

166266882 is a wasteful number, since it uses less digits than its factorization.

166266882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9237057 (or 9237054 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 166266882 is about 12894.4515974895. The cubic root of 166266882 is about 549.8808358915.

The spelling of 166266882 in words is "one hundred sixty-six million, two hundred sixty-six thousand, eight hundred eighty-two".