166080763 has 2 divisors, whose sum is σ = 166080764. Its totient is φ = 166080762.

The previous prime is 166080757. The next prime is 166080773. The reversal of 166080763 is 367080661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166080763 - 2⁵ = 166080731 is a prime.

It is not a weakly prime, because it can be changed into another prime (166080743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83040381 + 83040382.

It is an arithmetic number, because the mean of its divisors is an integer number (83040382).

Almost surely, 2^166080763 is an apocalyptic number.

166080763 is a deficient number, since it is larger than the sum of its proper divisors (1).

166080763 is an equidigital number, since it uses as much as digits as its factorization.

166080763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 166080763 is about 12887.2325578458. The cubic root of 166080763 is about 549.6755805785.

The spelling of 166080763 in words is "one hundred sixty-six million, eighty thousand, seven hundred sixty-three".