66014538 has 8 divisors (see below), whose sum is σ = 132029088. Its totient is φ = 22004844.

The previous prime is 66014537. The next prime is 66014563. The reversal of 66014538 is 83541066.

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

66014538 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66014499 and 66014508.

It is not an unprimeable number, because it can be changed into a prime (66014537) 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, 5501206 + ... + 5501217.

It is an arithmetic number, because the mean of its divisors is an integer number (16503636).

Almost surely, 2^66014538 is an apocalyptic number.

66014538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66014538 is a wasteful number, since it uses less digits than its factorization.

66014538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11002428.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 66014538 is about 8124.9331074169. The cubic root of 66014538 is about 404.1536723825.

The spelling of 66014538 in words is "sixty-six million, fourteen thousand, five hundred thirty-eight".