66066074 has 16 divisors (see below), whose sum is σ = 103600512. Its totient is φ = 31537968.

The previous prime is 66066073. The next prime is 66066079. The reversal of 66066074 is 47066066.

66066074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66066074² = 8729452267546952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66066073) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33212 + ... + 35144.

It is an arithmetic number, because the mean of its divisors is an integer number (6475032).

Almost surely, 2^66066074 is an apocalyptic number.

66066074 is a deficient number, since it is larger than the sum of its proper divisors (37534438).

66066074 is a wasteful number, since it uses less digits than its factorization.

66066074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 66066074 is about 8128.1039609493. The cubic root of 66066074 is about 404.2588161207.

The spelling of 66066074 in words is "sixty-six million, sixty-six thousand, seventy-four".