449166168405 has 32 divisors (see below), whose sum is σ = 798626505600. Its totient is φ = 239522628096.

The previous prime is 449166168383. The next prime is 449166168419. The reversal of 449166168405 is 504861661944.

449166168405 is a `hidden beast` number, since 4 + 4 + 9 + 16 + 616 + 8 + 4 + 0 + 5 = 666.

It is not a de Polignac number, because 449166168405 - 2⁹ = 449166167893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 783606 + ... + 1229784.

It is an arithmetic number, because the mean of its divisors is an integer number (24957078300).

Almost surely, 2^449166168405 is an apocalyptic number.

449166168405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

449166168405 is a deficient number, since it is larger than the sum of its proper divisors (349460337195).

449166168405 is a wasteful number, since it uses less digits than its factorization.

449166168405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453650 (or 453644 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 449166168405 in words is "four hundred forty-nine billion, one hundred sixty-six million, one hundred sixty-eight thousand, four hundred five".