66130145162504 has 16 divisors (see below), whose sum is σ = 124010015333820. Its totient is φ = 33060807740160.

The previous prime is 66130145162489. The next prime is 66130145162513. The reversal of 66130145162504 is 40526154103166.

It can be written as a sum of positive squares in 2 ways, for example, as 54722976660004 + 11407168502500 = 7397498^2 + 3377450^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533039237 + ... + 533163284.

Almost surely, 2^{66130145162504} is an apocalyptic number.

It is an amenable number.

66130145162504 is a deficient number, since it is larger than the sum of its proper divisors (57879870171316).

66130145162504 is a wasteful number, since it uses less digits than its factorization.

66130145162504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066210280 (or 1066210276 counting only the distinct ones).

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

The spelling of 66130145162504 in words is "sixty-six trillion, one hundred thirty billion, one hundred forty-five million, one hundred sixty-two thousand, five hundred four".