166652066 has 16 divisors (see below), whose sum is σ = 298111104. Its totient is φ = 68316864.

The previous prime is 166652053. The next prime is 166652069. The reversal of 166652066 is 660256661.

It is a super-2 number, since 2×166652066² = 55545822204136712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166652069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258455 + ... + 259098.

It is an arithmetic number, because the mean of its divisors is an integer number (18631944).

Almost surely, 2^166652066 is an apocalyptic number.

166652066 is a deficient number, since it is larger than the sum of its proper divisors (131459038).

166652066 is a wasteful number, since it uses less digits than its factorization.

166652066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517585.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 166652066 is about 12909.3789935845. The cubic root of 166652066 is about 550.3051375668.

The spelling of 166652066 in words is "one hundred sixty-six million, six hundred fifty-two thousand, sixty-six".