66052054971 has 96 divisors (see below), whose sum is σ = 116795427840. Its totient is φ = 35149593600.

The previous prime is 66052054951. The next prime is 66052054973. The reversal of 66052054971 is 17945025066.

66052054971 is a `hidden beast` number, since 6 + 6 + 0 + 520 + 54 + 9 + 71 = 666.

It is not a de Polignac number, because 66052054971 - 2¹¹ = 66052052923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66052054973) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41050815 + ... + 41052423.

It is an arithmetic number, because the mean of its divisors is an integer number (1216619040).

Almost surely, 2^66052054971 is an apocalyptic number.

66052054971 is a deficient number, since it is larger than the sum of its proper divisors (50743372869).

66052054971 is a wasteful number, since it uses less digits than its factorization.

66052054971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377 (or 2374 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 66052054971 in words is "sixty-six billion, fifty-two million, fifty-four thousand, nine hundred seventy-one".