66587014 has 12 divisors (see below), whose sum is σ = 108155196. Its totient is φ = 30732312.

The previous prime is 66587009. The next prime is 66587021. The reversal of 66587014 is 41078566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98164 + ... + 98839.

It is an arithmetic number, because the mean of its divisors is an integer number (9012933).

Almost surely, 2^66587014 is an apocalyptic number.

66587014 is a deficient number, since it is larger than the sum of its proper divisors (41568182).

66587014 is a wasteful number, since it uses less digits than its factorization.

66587014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197031 (or 197018 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 66587014 is about 8160.0866416969. The cubic root of 66587014 is about 405.3185808114.

The spelling of 66587014 in words is "sixty-six million, five hundred eighty-seven thousand, fourteen".