66060825 has 24 divisors (see below), whose sum is σ = 111079200. Its totient is φ = 34632960.

The previous prime is 66060823. The next prime is 66060829. The reversal of 66060825 is 52806066.

It is not a de Polignac number, because 66060825 - 2¹ = 66060823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66060821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3040 + ... + 11889.

It is an arithmetic number, because the mean of its divisors is an integer number (4628300).

Almost surely, 2^66060825 is an apocalyptic number.

It is an amenable number.

66060825 is a deficient number, since it is larger than the sum of its proper divisors (45018375).

66060825 is a wasteful number, since it uses less digits than its factorization.

66060825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15001 (or 14996 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 66060825 is about 8127.7810625041. The cubic root of 66060825 is about 404.2481096134.

The spelling of 66060825 in words is "sixty-six million, sixty thousand, eight hundred twenty-five".