166117514263 has 8 divisors (see below), whose sum is σ = 172126058400. Its totient is φ = 160127660448.

The previous prime is 166117514257. The next prime is 166117514281. The reversal of 166117514263 is 362415711661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166117514263 - 2¹⁷ = 166117383191 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 (166117514293) 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 7 ways as a sum of consecutive naturals, for example, 4654483 + ... + 4690036.

It is an arithmetic number, because the mean of its divisors is an integer number (21515757300).

Almost surely, 2^166117514263 is an apocalyptic number.

166117514263 is a deficient number, since it is larger than the sum of its proper divisors (6008544137).

166117514263 is an equidigital number, since it uses as much as digits as its factorization.

166117514263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345161.

The product of its digits is 181440, while the sum is 43.

The spelling of 166117514263 in words is "one hundred sixty-six billion, one hundred seventeen million, five hundred fourteen thousand, two hundred sixty-three".