449725237265166 has 48 divisors (see below), whose sum is σ = 940326391369344. Its totient is φ = 143380119030192.

The previous prime is 449725237265141. The next prime is 449725237265173. The reversal of 449725237265166 is 661562732527944.

It is a happy number.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a self number, because there is not a number n which added to its sum of digits gives 449725237265166.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 38053215 + ... + 48450981.

It is an arithmetic number, because the mean of its divisors is an integer number (19590133153528).

Almost surely, 2^{449725237265166} is an apocalyptic number.

449725237265166 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

449725237265166 is an abundant number, since it is smaller than the sum of its proper divisors (490601154104178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449725237265166 is a wasteful number, since it uses less digits than its factorization.

449725237265166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10411445 (or 10411422 counting only the distinct ones).

The product of its digits is 914457600, while the sum is 69.

The spelling of 449725237265166 in words is "four hundred forty-nine trillion, seven hundred twenty-five billion, two hundred thirty-seven million, two hundred sixty-five thousand, one hundred sixty-six".