66315100346153 has 4 divisors (see below), whose sum is σ = 66400889609988. Its totient is φ = 66229311082320.

The previous prime is 66315100346069. The next prime is 66315100346179. The reversal of 66315100346153 is 35164300151366.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22449752705689 + 43865347640464 = 4738117^2 + 6623092^2 .

It is a cyclic number.

It is not a de Polignac number, because 66315100346153 - 2¹⁰ = 66315100345129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66315100346353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42894630758 + ... + 42894632303.

It is an arithmetic number, because the mean of its divisors is an integer number (16600222402497).

Almost surely, 2^{66315100346153} is an apocalyptic number.

It is an amenable number.

66315100346153 is a deficient number, since it is larger than the sum of its proper divisors (85789263835).

66315100346153 is an equidigital number, since it uses as much as digits as its factorization.

66315100346153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85789263834.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 66315100346153 in words is "sixty-six trillion, three hundred fifteen billion, one hundred million, three hundred forty-six thousand, one hundred fifty-three".