166466763 has 6 divisors (see below), whose sum is σ = 240452004. Its totient is φ = 110977836.

The previous prime is 166466753. The next prime is 166466767. The reversal of 166466763 is 367664661.

166466763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166466763 - 2⁴ = 166466747 is a prime.

It is a super-2 number, since 2×166466763² = 55422366367396338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166466767) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9248145 + ... + 9248162.

It is an arithmetic number, because the mean of its divisors is an integer number (40075334).

Almost surely, 2^166466763 is an apocalyptic number.

166466763 is a deficient number, since it is larger than the sum of its proper divisors (73985241).

166466763 is a wasteful number, since it uses less digits than its factorization.

166466763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18496313 (or 18496310 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 166466763 is about 12902.1999286943. The cubic root of 166466763 is about 550.1010976691.

It can be divided in two parts, 16646 and 6763, that added together give a square (23409 = 153²).

The spelling of 166466763 in words is "one hundred sixty-six million, four hundred sixty-six thousand, seven hundred sixty-three".