449166895892668 has 12 divisors (see below), whose sum is σ = 792998192306880. Its totient is φ = 222595983804992.

The previous prime is 449166895892641. The next prime is 449166895892677. The reversal of 449166895892668 is 866298598661944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496866034828 + ... + 496866035731.

It is an arithmetic number, because the mean of its divisors is an integer number (66083182692240).

Almost surely, 2^{449166895892668} is an apocalyptic number.

It is an amenable number.

449166895892668 is a deficient number, since it is larger than the sum of its proper divisors (343831296414212).

449166895892668 is a wasteful number, since it uses less digits than its factorization.

449166895892668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993732070676 (or 993732070674 counting only the distinct ones).

The product of its digits is 77396705280, while the sum is 91.

The spelling of 449166895892668 in words is "four hundred forty-nine trillion, one hundred sixty-six billion, eight hundred ninety-five million, eight hundred ninety-two thousand, six hundred sixty-eight".