66360427 has 16 divisors (see below), whose sum is σ = 79027200. Its totient is φ = 54538560.

The previous prime is 66360403. The next prime is 66360443. The reversal of 66360427 is 72406366.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66360427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66360392 and 66360401.

It is not an unprimeable number, because it can be changed into a prime (66360457) 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, 14974 + ... + 18892.

It is an arithmetic number, because the mean of its divisors is an integer number (4939200).

Almost surely, 2^66360427 is an apocalyptic number.

66360427 is a deficient number, since it is larger than the sum of its proper divisors (12666773).

66360427 is a wasteful number, since it uses less digits than its factorization.

66360427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 66360427 is about 8146.1909503767. The cubic root of 66360427 is about 404.8583094249.

The spelling of 66360427 in words is "sixty-six million, three hundred sixty thousand, four hundred twenty-seven".