66528006 has 32 divisors (see below), whose sum is σ = 146154240. Its totient is φ = 20094624.

The previous prime is 66527971. The next prime is 66528013. The reversal of 66528006 is 60082566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10065 + ... + 15308.

It is an arithmetic number, because the mean of its divisors is an integer number (4567320).

Almost surely, 2^66528006 is an apocalyptic number.

66528006 is an abundant number, since it is smaller than the sum of its proper divisors (79626234).

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

66528006 is a wasteful number, since it uses less digits than its factorization.

66528006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25420.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 66528006 is about 8156.4701924301. The cubic root of 66528006 is about 405.1988171829.

The spelling of 66528006 in words is "sixty-six million, five hundred twenty-eight thousand, six".