66065026 has 16 divisors (see below), whose sum is σ = 105162624. Its totient is φ = 31019584.

The previous prime is 66065023. The next prime is 66065029. The reversal of 66065026 is 62056066.

It is an interprime number because it is at equal distance from previous prime (66065023) and next prime (66065029).

It is not an unprimeable number, because it can be changed into a prime (66065023) 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, 15171 + ... + 19033.

It is an arithmetic number, because the mean of its divisors is an integer number (6572664).

Almost surely, 2^66065026 is an apocalyptic number.

66065026 is a deficient number, since it is larger than the sum of its proper divisors (39097598).

66065026 is a wasteful number, since it uses less digits than its factorization.

66065026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 66065026 is about 8128.0394930143. The cubic root of 66065026 is about 404.2566785361.

The spelling of 66065026 in words is "sixty-six million, sixty-five thousand, twenty-six".