66076413 has 32 divisors (see below), whose sum is σ = 100867200. Its totient is φ = 38174976.

The previous prime is 66076349. The next prime is 66076421. The reversal of 66076413 is 31467066.

It is not a de Polignac number, because 66076413 - 2⁶ = 66076349 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66076453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41058 + ... + 42636.

It is an arithmetic number, because the mean of its divisors is an integer number (3152100).

Almost surely, 2^66076413 is an apocalyptic number.

It is an amenable number.

66076413 is a deficient number, since it is larger than the sum of its proper divisors (34790787).

66076413 is a wasteful number, since it uses less digits than its factorization.

66076413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 66076413 is about 8128.7399392526. The cubic root of 66076413 is about 404.2799031610.

The spelling of 66076413 in words is "sixty-six million, seventy-six thousand, four hundred thirteen".