166512366 has 24 divisors (see below), whose sum is σ = 361061064. Its totient is φ = 55460400.

The previous prime is 166512361. The next prime is 166512373. The reversal of 166512366 is 663215661.

It is a self number, because there is not a number n which added to its sum of digits gives 166512366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166512361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26641 + ... + 32291.

It is an arithmetic number, because the mean of its divisors is an integer number (15044211).

Almost surely, 2^166512366 is an apocalyptic number.

166512366 is an abundant number, since it is smaller than the sum of its proper divisors (194548698).

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

166512366 is a wasteful number, since it uses less digits than its factorization.

166512366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7296 (or 7293 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 166512366 is about 12903.9670644341. The cubic root of 166512366 is about 550.1513258538.

The spelling of 166512366 in words is "one hundred sixty-six million, five hundred twelve thousand, three hundred sixty-six".