66080607 has 4 divisors (see below), whose sum is σ = 88107480. Its totient is φ = 44053736.

The previous prime is 66080593. The next prime is 66080617. The reversal of 66080607 is 70608066.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66080607 - 2¹² = 66076511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66080617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11013432 + ... + 11013437.

It is an arithmetic number, because the mean of its divisors is an integer number (22026870).

Almost surely, 2^66080607 is an apocalyptic number.

66080607 is a deficient number, since it is larger than the sum of its proper divisors (22026873).

66080607 is a wasteful number, since it uses less digits than its factorization.

66080607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22026872.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 66080607 is about 8128.9979087216. The cubic root of 66080607 is about 404.2884564605.

The spelling of 66080607 in words is "sixty-six million, eighty thousand, six hundred seven".