66088671 has 16 divisors (see below), whose sum is σ = 96484608. Its totient is φ = 39905600.

The previous prime is 66088661. The next prime is 66088691. The reversal of 66088671 is 17688066.

It is a cyclic number.

It is not a de Polignac number, because 66088671 - 2⁷ = 66088543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66088601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5710 + ... + 12836.

It is an arithmetic number, because the mean of its divisors is an integer number (6030288).

Almost surely, 2^66088671 is an apocalyptic number.

66088671 is a deficient number, since it is larger than the sum of its proper divisors (30395937).

66088671 is a wasteful number, since it uses less digits than its factorization.

66088671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 66088671 is about 8129.4938956862. The cubic root of 66088671 is about 404.3049012726.

The spelling of 66088671 in words is "sixty-six million, eighty-eight thousand, six hundred seventy-one".