66112140255053 has 8 divisors (see below), whose sum is σ = 67724756290296. Its totient is φ = 64499530163200.

The previous prime is 66112140255043. The next prime is 66112140255079. The reversal of 66112140255053 is 35055204121166.

It can be written as a sum of positive squares in 4 ways, for example, as 6775515292324 + 59336624962729 = 2602982^2 + 7703027^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66112140255053 - 2⁴ = 66112140255037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66112140255053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66112140255023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28159325 + ... + 30416637.

It is an arithmetic number, because the mean of its divisors is an integer number (8465594536287).

Almost surely, 2^{66112140255053} is an apocalyptic number.

It is an amenable number.

66112140255053 is a deficient number, since it is larger than the sum of its proper divisors (1612616035243).

66112140255053 is a wasteful number, since it uses less digits than its factorization.

66112140255053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971695.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 66112140255053 in words is "sixty-six trillion, one hundred twelve billion, one hundred forty million, two hundred fifty-five thousand, fifty-three".