166663064 has 32 divisors (see below), whose sum is σ = 317291520. Its totient is φ = 82061856.

The previous prime is 166663051. The next prime is 166663069. The reversal of 166663064 is 460366661.

166663064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166663069) 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, 183299 + ... + 184205.

It is an arithmetic number, because the mean of its divisors is an integer number (9915360).

Almost surely, 2^166663064 is an apocalyptic number.

It is an amenable number.

166663064 is a deficient number, since it is larger than the sum of its proper divisors (150628456).

166663064 is a wasteful number, since it uses less digits than its factorization.

166663064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 166663064 is about 12909.8049559240. The cubic root of 166663064 is about 550.3172428728.

The spelling of 166663064 in words is "one hundred sixty-six million, six hundred sixty-three thousand, sixty-four".