66368285160331 has 16 divisors (see below), whose sum is σ = 82751743526400. Its totient is φ = 51711254052480.

The previous prime is 66368285160293. The next prime is 66368285160347. The reversal of 66368285160331 is 13306158286366.

It is not a de Polignac number, because 66368285160331 - 2¹¹ = 66368285158283 is a prime.

It is a super-2 number, since 2×66368285160331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66368285160031) 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, 34839751 + ... + 36695296.

It is an arithmetic number, because the mean of its divisors is an integer number (5171983970400).

Almost surely, 2^{66368285160331} is an apocalyptic number.

66368285160331 is a deficient number, since it is larger than the sum of its proper divisors (16383458366069).

66368285160331 is a wasteful number, since it uses less digits than its factorization.

66368285160331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71547114.

The product of its (nonzero) digits is 22394880, while the sum is 58.

The spelling of 66368285160331 in words is "sixty-six trillion, three hundred sixty-eight billion, two hundred eighty-five million, one hundred sixty thousand, three hundred thirty-one".