66041066 has 16 divisors (see below), whose sum is σ = 121922304. Its totient is φ = 26126064.

The previous prime is 66041057. The next prime is 66041069. The reversal of 66041066 is 66014066.

It is a super-2 number, since 2×66041066² = 8722844796832712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66041069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181250 + ... + 181613.

It is an arithmetic number, because the mean of its divisors is an integer number (7620144).

Almost surely, 2^66041066 is an apocalyptic number.

66041066 is a deficient number, since it is larger than the sum of its proper divisors (55881238).

66041066 is a wasteful number, since it uses less digits than its factorization.

66041066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362885.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 66041066 is about 8126.5654491919. The cubic root of 66041066 is about 404.2078016351.

Subtracting from 66041066 its reverse (66014066), we obtain a cube (27000 = 30³).

The spelling of 66041066 in words is "sixty-six million, forty-one thousand, sixty-six".