66014417 has 48 divisors (see below), whose sum is σ = 88482240. Its totient is φ = 48771072.

The previous prime is 66014413. The next prime is 66014419. The reversal of 66014417 is 71441066.

It is not a de Polignac number, because 66014417 - 2² = 66014413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66014417.

It is not an unprimeable number, because it can be changed into a prime (66014413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 680513 + ... + 680609.

It is an arithmetic number, because the mean of its divisors is an integer number (1843380).

Almost surely, 2^66014417 is an apocalyptic number.

It is an amenable number.

66014417 is a deficient number, since it is larger than the sum of its proper divisors (22467823).

66014417 is a wasteful number, since it uses less digits than its factorization.

66014417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 66014417 is about 8124.9256611984. The cubic root of 66014417 is about 404.1534254539.

The spelling of 66014417 in words is "sixty-six million, fourteen thousand, four hundred seventeen".