66452275516 has 12 divisors (see below), whose sum is σ = 126863435160. Its totient is φ = 30205579760.

The previous prime is 66452275499. The next prime is 66452275517. The reversal of 66452275516 is 61557225466.

It is a self number, because there is not a number n which added to its sum of digits gives 66452275516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66452275517) 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, 755139451 + ... + 755139538.

It is an arithmetic number, because the mean of its divisors is an integer number (10571952930).

Almost surely, 2^66452275516 is an apocalyptic number.

It is an amenable number.

66452275516 is a deficient number, since it is larger than the sum of its proper divisors (60411159644).

66452275516 is a wasteful number, since it uses less digits than its factorization.

66452275516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510279004 (or 1510279002 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 49.

The spelling of 66452275516 in words is "sixty-six billion, four hundred fifty-two million, two hundred seventy-five thousand, five hundred sixteen".