66360151361 has 4 divisors (see below), whose sum is σ = 75840172992. Its totient is φ = 56880129732.

The previous prime is 66360151339. The next prime is 66360151391. The reversal of 66360151361 is 16315106366.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66360151361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66360151391) 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, 4740010805 + ... + 4740010818.

It is an arithmetic number, because the mean of its divisors is an integer number (18960043248).

Almost surely, 2^66360151361 is an apocalyptic number.

It is an amenable number.

66360151361 is a deficient number, since it is larger than the sum of its proper divisors (9480021631).

66360151361 is an equidigital number, since it uses as much as digits as its factorization.

66360151361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9480021630.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 66360151361 in words is "sixty-six billion, three hundred sixty million, one hundred fifty-one thousand, three hundred sixty-one".