450173164 has 12 divisors (see below), whose sum is σ = 900346384. Its totient is φ = 192931344.

The previous prime is 450173147. The next prime is 450173167. The reversal of 450173164 is 461371054.

450173164 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (450173167) 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, 8038779 + ... + 8038834.

Almost surely, 2^450173164 is an apocalyptic number.

It is an amenable number.

450173164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

450173164 is a wasteful number, since it uses less digits than its factorization.

450173164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16077624 (or 16077622 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 450173164 is about 21217.2845576431. The cubic root of 450173164 is about 766.4077140152.

The spelling of 450173164 in words is "four hundred fifty million, one hundred seventy-three thousand, one hundred sixty-four".