66266132 has 24 divisors (see below), whose sum is σ = 117824616. Its totient is φ = 32606208.

The previous prime is 66266117. The next prime is 66266141. The reversal of 66266132 is 23166266.

It can be written as a sum of positive squares in 4 ways, for example, as 16760836 + 49505296 = 4094^2 + 7036^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90038 + ... + 90770.

It is an arithmetic number, because the mean of its divisors is an integer number (4909359).

Almost surely, 2^66266132 is an apocalyptic number.

It is an amenable number.

66266132 is a deficient number, since it is larger than the sum of its proper divisors (51558484).

66266132 is a wasteful number, since it uses less digits than its factorization.

66266132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1065 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 66266132 is about 8140.4012186132. The cubic root of 66266132 is about 404.6664570793. Note that the first 3 decimals are identical.

The spelling of 66266132 in words is "sixty-six million, two hundred sixty-six thousand, one hundred thirty-two".