533412660 has 216 divisors, whose sum is σ = 1743644448. Its totient is φ = 120825600.

The previous prime is 533412641. The next prime is 533412701. The reversal of 533412660 is 66214335.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17206845 + ... + 17206875.

It is an arithmetic number, because the mean of its divisors is an integer number (8072428).

Almost surely, 2^533412660 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 533412660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871822224).

533412660 is an abundant number, since it is smaller than the sum of its proper divisors (1210231788).

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

533412660 is a wasteful number, since it uses less digits than its factorization.

533412660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 533412660 is about 23095.7281764399. The cubic root of 533412660 is about 811.0004708174. Note that the first 3 decimals are identical.

Adding to 533412660 its reverse (66214335), we get a palindrome (599626995).

The spelling of 533412660 in words is "five hundred thirty-three million, four hundred twelve thousand, six hundred sixty".