166323356 has 6 divisors (see below), whose sum is σ = 291065880. Its totient is φ = 83161676.

The previous prime is 166323349. The next prime is 166323371. The reversal of 166323356 is 653323661.

It is a super-2 number, since 2×166323356² = 55326917502205472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20790416 + ... + 20790423.

It is an arithmetic number, because the mean of its divisors is an integer number (48510980).

Almost surely, 2^166323356 is an apocalyptic number.

It is an amenable number.

166323356 is a deficient number, since it is larger than the sum of its proper divisors (124742524).

166323356 is a wasteful number, since it uses less digits than its factorization.

166323356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41580843 (or 41580841 counting only the distinct ones).

The product of its digits is 58320, while the sum is 35.

The square root of 166323356 is about 12896.6412681752. The cubic root of 166323356 is about 549.9430861218.

The spelling of 166323356 in words is "one hundred sixty-six million, three hundred twenty-three thousand, three hundred fifty-six".