66536333 has 4 divisors (see below), whose sum is σ = 66573948. Its totient is φ = 66498720.

The previous prime is 66536329. The next prime is 66536383. The reversal of 66536333 is 33363566.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24571849 + 41964484 = 4957^2 + 6478^2 .

It is a cyclic number.

It is not a de Polignac number, because 66536333 - 2² = 66536329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66536293 and 66536302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66536383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16016 + ... + 19737.

It is an arithmetic number, because the mean of its divisors is an integer number (16643487).

Almost surely, 2^66536333 is an apocalyptic number.

It is an amenable number.

66536333 is a deficient number, since it is larger than the sum of its proper divisors (37615).

66536333 is a wasteful number, since it uses less digits than its factorization.

66536333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37614.

The product of its digits is 87480, while the sum is 35.

The square root of 66536333 is about 8156.9806301106. The cubic root of 66536333 is about 405.2157220926.

Adding to 66536333 its reverse (33363566), we get a palindrome (99899899).

The spelling of 66536333 in words is "sixty-six million, five hundred thirty-six thousand, three hundred thirty-three".