66084026 has 8 divisors (see below), whose sum is σ = 99167700. Its totient is φ = 33028128.

The previous prime is 66084023. The next prime is 66084047. The reversal of 66084026 is 62048066.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57078025 + 9006001 = 7555^2 + 3001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66083983 and 66084001.

It is not an unprimeable number, because it can be changed into a prime (66084023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680 + ... + 11516.

Almost surely, 2^66084026 is an apocalyptic number.

66084026 is a deficient number, since it is larger than the sum of its proper divisors (33083674).

66084026 is a wasteful number, since it uses less digits than its factorization.

66084026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13888.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 66084026 is about 8129.2082025250. The cubic root of 66084026 is about 404.2954289468.

The spelling of 66084026 in words is "sixty-six million, eighty-four thousand, twenty-six".