66533006 has 8 divisors (see below), whose sum is σ = 103018944. Its totient is φ = 32193360.

The previous prime is 66532957. The next prime is 66533009. The reversal of 66533006 is 60033566.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66533006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66533009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536495 + ... + 536618.

It is an arithmetic number, because the mean of its divisors is an integer number (12877368).

Almost surely, 2^66533006 is an apocalyptic number.

66533006 is a deficient number, since it is larger than the sum of its proper divisors (36485938).

66533006 is a wasteful number, since it uses less digits than its factorization.

66533006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073146.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 66533006 is about 8156.7766918066. The cubic root of 66533006 is about 405.2089680124.

The spelling of 66533006 in words is "sixty-six million, five hundred thirty-three thousand, six".