662320667137 has 2 divisors, whose sum is σ = 662320667138. Its totient is φ = 662320667136.

The previous prime is 662320667119. The next prime is 662320667191. The reversal of 662320667137 is 731766023266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 630747286416 + 31573380721 = 794196^2 + 177689^2 .

It is a cyclic number.

It is not a de Polignac number, because 662320667137 - 2⁷ = 662320667009 is a prime.

It is a super-2 number, since 2×662320667137² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (662320667537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331160333568 + 331160333569.

It is an arithmetic number, because the mean of its divisors is an integer number (331160333569).

Almost surely, 2^662320667137 is an apocalyptic number.

It is an amenable number.

662320667137 is a deficient number, since it is larger than the sum of its proper divisors (1).

662320667137 is an equidigital number, since it uses as much as digits as its factorization.

662320667137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 49.

The spelling of 662320667137 in words is "six hundred sixty-two billion, three hundred twenty million, six hundred sixty-seven thousand, one hundred thirty-seven".