66327072118254 has 32 divisors (see below), whose sum is σ = 148469358529440. Its totient is φ = 21947644299456.

The previous prime is 66327072118253. The next prime is 66327072118319. The reversal of 66327072118254 is 45281127072366.

66327072118254 is a `hidden beast` number, since 6 + 6 + 3 + 270 + 7 + 2 + 118 + 254 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 66327072118254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66327072118253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4482763089 + ... + 4482777884.

It is an arithmetic number, because the mean of its divisors is an integer number (4639667454045).

Almost surely, 2^{66327072118254} is an apocalyptic number.

66327072118254 is an abundant number, since it is smaller than the sum of its proper divisors (82142286411186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66327072118254 is a wasteful number, since it uses less digits than its factorization.

66327072118254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8965541121 (or 8965541115 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 66327072118254 in words is "sixty-six trillion, three hundred twenty-seven billion, seventy-two million, one hundred eighteen thousand, two hundred fifty-four".