66130145160452 has 48 divisors (see below), whose sum is σ = 118242527977728. Its totient is φ = 32347194612480.

The previous prime is 66130145160439. The next prime is 66130145160491. The reversal of 66130145160452 is 25406154103166.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6071993927 + ... + 6072004817.

It is an arithmetic number, because the mean of its divisors is an integer number (2463385999536).

Almost surely, 2^{66130145160452} is an apocalyptic number.

It is an amenable number.

66130145160452 is a deficient number, since it is larger than the sum of its proper divisors (52112382817276).

66130145160452 is a wasteful number, since it uses less digits than its factorization.

66130145160452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22316 (or 22314 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 66130145160452 in words is "sixty-six trillion, one hundred thirty billion, one hundred forty-five million, one hundred sixty thousand, four hundred fifty-two".