533216805 has 64 divisors (see below), whose sum is σ = 963422208. Its totient is φ = 249557760.

The previous prime is 533216777. The next prime is 533216809. The reversal of 533216805 is 508612335.

It is not a de Polignac number, because 533216805 - 2¹⁵ = 533184037 is a prime.

It is a super-2 number, since 2×533216805² = 568640322268816050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533216809) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1019274 + ... + 1019796.

It is an arithmetic number, because the mean of its divisors is an integer number (15053472).

Almost surely, 2^533216805 is an apocalyptic number.

533216805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

533216805 is a deficient number, since it is larger than the sum of its proper divisors (430205403).

533216805 is a wasteful number, since it uses less digits than its factorization.

533216805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 533216805 is about 23091.4877173386. The cubic root of 533216805 is about 810.9011993693.

The spelling of 533216805 in words is "five hundred thirty-three million, two hundred sixteen thousand, eight hundred five".