166884440882 has 8 divisors (see below), whose sum is σ = 250364262252. Its totient is φ = 83429686800.

The previous prime is 166884440881. The next prime is 166884440903. The reversal of 166884440882 is 288044488661.

It can be written as a sum of positive squares in 2 ways, for example, as 146544261721 + 20340179161 = 382811^2 + 142619^2 .

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

It is not an unprimeable number, because it can be changed into a prime (166884440881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6250169 + ... + 6276812.

Almost surely, 2^166884440882 is an apocalyptic number.

166884440882 is a deficient number, since it is larger than the sum of its proper divisors (83479821370).

166884440882 is a wasteful number, since it uses less digits than its factorization.

166884440882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12533644.

The product of its (nonzero) digits is 18874368, while the sum is 59.

The spelling of 166884440882 in words is "one hundred sixty-six billion, eight hundred eighty-four million, four hundred forty thousand, eight hundred eighty-two".