66075253258194 has 48 divisors (see below), whose sum is σ = 153904285342080. Its totient is φ = 20421914775840.

The previous prime is 66075253258169. The next prime is 66075253258219. The reversal of 66075253258194 is 49185235257066.

66075253258194 is a `hidden beast` number, since 6 + 6 + 0 + 7 + 5 + 2 + 532 + 5 + 8 + 1 + 94 = 666.

It is an interprime number because it is at equal distance from previous prime (66075253258169) and next prime (66075253258219).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2055329617 + ... + 2055361764.

It is an arithmetic number, because the mean of its divisors is an integer number (3206339277960).

It is a 1-persistent number, because it is pandigital, but 2⋅66075253258194 = 132150506516388 is not.

Almost surely, 2^{66075253258194} is an apocalyptic number.

66075253258194 is an abundant number, since it is smaller than the sum of its proper divisors (87829032083886).

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

66075253258194 is a wasteful number, since it uses less digits than its factorization.

66075253258194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110691455 (or 4110691452 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 63.

The spelling of 66075253258194 in words is "sixty-six trillion, seventy-five billion, two hundred fifty-three million, two hundred fifty-eight thousand, one hundred ninety-four".