66062166 has 32 divisors (see below), whose sum is σ = 135544320. Its totient is φ = 21455136.

The previous prime is 66062159. The next prime is 66062167. The reversal of 66062166 is 66126066.

66062166 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 2×66062166² = 8728419553223112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66062167) 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 15 ways as a sum of consecutive naturals, for example, 89025 + ... + 89763.

It is an arithmetic number, because the mean of its divisors is an integer number (4235760).

Almost surely, 2^66062166 is an apocalyptic number.

66062166 is an abundant number, since it is smaller than the sum of its proper divisors (69482154).

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

66062166 is a wasteful number, since it uses less digits than its factorization.

66062166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 66062166 is about 8127.8635569256. The cubic root of 66062166 is about 404.2508449362.

It can be divided in two parts, 660 and 62166, that added together give a palindrome (62826).

The spelling of 66062166 in words is "sixty-six million, sixty-two thousand, one hundred sixty-six".