501671216 has 40 divisors (see below), whose sum is σ = 1018848480. Its totient is φ = 238841856.

The previous prime is 501671189. The next prime is 501671221. The reversal of 501671216 is 612176105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81296 + ... + 87248.

It is an arithmetic number, because the mean of its divisors is an integer number (25471212).

Almost surely, 2^501671216 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 501671216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509424240).

501671216 is an abundant number, since it is smaller than the sum of its proper divisors (517177264).

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

501671216 is a wasteful number, since it uses less digits than its factorization.

501671216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213 (or 6207 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 501671216 is about 22398.0181266111. The cubic root of 501671216 is about 794.5838392545.

The spelling of 501671216 in words is "five hundred one million, six hundred seventy-one thousand, two hundred sixteen".