166346763 has 16 divisors (see below), whose sum is σ = 242237952. Its totient is φ = 100700000.

The previous prime is 166346743. The next prime is 166346797. The reversal of 166346763 is 367643661.

It is a cyclic number.

It is not a de Polignac number, because 166346763 - 2⁵ = 166346731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166346723) 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 15 ways as a sum of consecutive naturals, for example, 32638 + ... + 37388.

It is an arithmetic number, because the mean of its divisors is an integer number (15139872).

Almost surely, 2^166346763 is an apocalyptic number.

166346763 is a deficient number, since it is larger than the sum of its proper divisors (75891189).

166346763 is a wasteful number, since it uses less digits than its factorization.

166346763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826.

The product of its digits is 326592, while the sum is 42.

The square root of 166346763 is about 12897.5487205903. The cubic root of 166346763 is about 549.9688830880.

The spelling of 166346763 in words is "one hundred sixty-six million, three hundred forty-six thousand, seven hundred sixty-three".