166806052 has 24 divisors (see below), whose sum is σ = 339909696. Its totient is φ = 70138848.

The previous prime is 166806049. The next prime is 166806053. The reversal of 166806052 is 250608661.

It is a junction number, because it is equal to n+sod(n) for n = 166805999 and 166806017.

It is not an unprimeable number, because it can be changed into a prime (166806053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54718 + ... + 57685.

It is an arithmetic number, because the mean of its divisors is an integer number (14162904).

Almost surely, 2^166806052 is an apocalyptic number.

It is an amenable number.

166806052 is an abundant number, since it is smaller than the sum of its proper divisors (173103644).

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

166806052 is a wasteful number, since it uses less digits than its factorization.

166806052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112467 (or 112465 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 166806052 is about 12915.3417298963. The cubic root of 166806052 is about 550.4745788119.

The spelling of 166806052 in words is "one hundred sixty-six million, eight hundred six thousand, fifty-two".