451670016 has 208 divisors, whose sum is σ = 1415404800. Its totient is φ = 125435904.

The previous prime is 451669997. The next prime is 451670029. The reversal of 451670016 is 610076154.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5074900 + ... + 5074988.

Almost surely, 2^451670016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451670016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707702400).

451670016 is an abundant number, since it is smaller than the sum of its proper divisors (963734784).

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

451670016 is an equidigital number, since it uses as much as digits as its factorization.

451670016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 451670016 is about 21252.5296376690. The cubic root of 451670016 is about 767.2562243616.

The spelling of 451670016 in words is "four hundred fifty-one million, six hundred seventy thousand, sixteen".