66065054 has 32 divisors (see below), whose sum is σ = 111809376. Its totient is φ = 29013120.

The previous prime is 66065029. The next prime is 66065081. The reversal of 66065054 is 45056066.

66065054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66065054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225332 + ... + 225624.

It is an arithmetic number, because the mean of its divisors is an integer number (3494043).

Almost surely, 2^66065054 is an apocalyptic number.

66065054 is a deficient number, since it is larger than the sum of its proper divisors (45744322).

66065054 is a wasteful number, since it uses less digits than its factorization.

66065054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 66065054 is about 8128.0412154467. The cubic root of 66065054 is about 404.2567356474.

The spelling of 66065054 in words is "sixty-six million, sixty-five thousand, fifty-four".