166726880467 has 8 divisors (see below), whose sum is σ = 190550820096. Its totient is φ = 142904394312.

The previous prime is 166726880387. The next prime is 166726880491. The reversal of 166726880467 is 764088627661.

It is a happy number.

166726880467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 166726880467 - 2¹¹ = 166726878419 is a prime.

It is a super-2 number, since 2×166726880467² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166726880497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105343 + ... + 586984.

It is an arithmetic number, because the mean of its divisors is an integer number (23818852512).

Almost surely, 2^166726880467 is an apocalyptic number.

166726880467 is a deficient number, since it is larger than the sum of its proper divisors (23823939629).

166726880467 is an equidigital number, since it uses as much as digits as its factorization.

166726880467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726737.

The product of its (nonzero) digits is 32514048, while the sum is 61.

The spelling of 166726880467 in words is "one hundred sixty-six billion, seven hundred twenty-six million, eight hundred eighty thousand, four hundred sixty-seven".