66060600507 has 24 divisors (see below), whose sum is σ = 105413168640. Its totient is φ = 39529928880.

The previous prime is 66060600493. The next prime is 66060600523. The reversal of 66060600507 is 70500606066.

66060600507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66060600507 - 2⁸ = 66060600251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66060600587) 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, 4215463 + ... + 4231104.

It is an arithmetic number, because the mean of its divisors is an integer number (4392215360).

Almost surely, 2^66060600507 is an apocalyptic number.

66060600507 is a deficient number, since it is larger than the sum of its proper divisors (39352568133).

66060600507 is a wasteful number, since it uses less digits than its factorization.

66060600507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8446663 (or 8446660 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 66060600507 in words is "sixty-six billion, sixty million, six hundred thousand, five hundred seven".