501623216 has 40 divisors (see below), whose sum is σ = 1032884784. Its totient is φ = 235182080.

The previous prime is 501623207. The next prime is 501623231. The reversal of 501623216 is 612326105.

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, 73151 + ... + 79713.

Almost surely, 2^501623216 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 501623216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516442392).

501623216 is an abundant number, since it is smaller than the sum of its proper divisors (531261568).

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

501623216 is a wasteful number, since it uses less digits than its factorization.

501623216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869 (or 6863 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 501623216 is about 22396.9465776029. The cubic root of 501623216 is about 794.5584964672.

The spelling of 501623216 in words is "five hundred one million, six hundred twenty-three thousand, two hundred sixteen".