66334533 has 8 divisors (see below), whose sum is σ = 88495008. Its totient is φ = 44198544.

The previous prime is 66334501. The next prime is 66334537. The reversal of 66334533 is 33543366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66334533 - 2⁵ = 66334501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66334494 and 66334503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66334537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1591 + ... + 11627.

It is an arithmetic number, because the mean of its divisors is an integer number (11061876).

Almost surely, 2^66334533 is an apocalyptic number.

It is an amenable number.

66334533 is a deficient number, since it is larger than the sum of its proper divisors (22160475).

66334533 is a wasteful number, since it uses less digits than its factorization.

66334533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12243.

The product of its digits is 58320, while the sum is 33.

The square root of 66334533 is about 8144.6014635463. The cubic root of 66334533 is about 404.8056436752.

Adding to 66334533 its reverse (33543366), we get a palindrome (99877899).

The spelling of 66334533 in words is "sixty-six million, three hundred thirty-four thousand, five hundred thirty-three".