66060507 has 4 divisors (see below), whose sum is σ = 88080680. Its totient is φ = 44040336.

The previous prime is 66060479. The next prime is 66060509. The reversal of 66060507 is 70506066.

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

It is not a de Polignac number, because 66060507 - 2¹² = 66056411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66060509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11010082 + ... + 11010087.

It is an arithmetic number, because the mean of its divisors is an integer number (22020170).

Almost surely, 2^66060507 is an apocalyptic number.

66060507 is a deficient number, since it is larger than the sum of its proper divisors (22020173).

66060507 is a wasteful number, since it uses less digits than its factorization.

66060507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22020172.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 66060507 is about 8127.7614999457. The cubic root of 66060507 is about 404.2474609632.

The spelling of 66060507 in words is "sixty-six million, sixty thousand, five hundred seven".