166117063 has 16 divisors (see below), whose sum is σ = 199443456. Its totient is φ = 135273600.

The previous prime is 166117051. The next prime is 166117069. The reversal of 166117063 is 360711661.

It is not a de Polignac number, because 166117063 - 2¹⁷ = 165985991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166117069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20895 + ... + 27727.

It is an arithmetic number, because the mean of its divisors is an integer number (12465216).

Almost surely, 2^166117063 is an apocalyptic number.

166117063 is a deficient number, since it is larger than the sum of its proper divisors (33326393).

166117063 is a wasteful number, since it uses less digits than its factorization.

166117063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 166117063 is about 12888.6408515406. The cubic root of 166117063 is about 549.7156248913.

The spelling of 166117063 in words is "one hundred sixty-six million, one hundred seventeen thousand, sixty-three".