1664749676882 has 8 divisors (see below), whose sum is σ = 2605695146496. Its totient is φ = 796184628052.

The previous prime is 1664749676881. The next prime is 1664749676927. The reversal of 1664749676882 is 2886769474661.

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 (1664749676881) 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 3 ways as a sum of consecutive naturals, for example, 18095105138 + ... + 18095105229.

It is an arithmetic number, because the mean of its divisors is an integer number (325711893312).

Almost surely, 2^{1664749676882} is an apocalyptic number.

1664749676882 is a deficient number, since it is larger than the sum of its proper divisors (940945469614).

1664749676882 is a wasteful number, since it uses less digits than its factorization.

1664749676882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36190210392.

The product of its digits is 1170505728, while the sum is 74.

The spelling of 1664749676882 in words is "one trillion, six hundred sixty-four billion, seven hundred forty-nine million, six hundred seventy-six thousand, eight hundred eighty-two".