66960411825 has 12 divisors (see below), whose sum is σ = 110707881008. Its totient is φ = 35712219600.

The previous prime is 66960411823. The next prime is 66960411829. The reversal of 66960411825 is 52811406966.

It is not a de Polignac number, because 66960411825 - 2¹ = 66960411823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66960411821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 446402671 + ... + 446402820.

Almost surely, 2^66960411825 is an apocalyptic number.

It is an amenable number.

66960411825 is a deficient number, since it is larger than the sum of its proper divisors (43747469183).

66960411825 is a wasteful number, since it uses less digits than its factorization.

66960411825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892805504 (or 892805499 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 66960411825 in words is "sixty-six billion, nine hundred sixty million, four hundred eleven thousand, eight hundred twenty-five".