662236632251 has 2 divisors, whose sum is σ = 662236632252. Its totient is φ = 662236632250.

The previous prime is 662236632179. The next prime is 662236632271. The reversal of 662236632251 is 152236632266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 662236632251 - 2³⁴ = 645056763067 is a prime.

It is not a weakly prime, because it can be changed into another prime (662236632271) 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, 331118316125 + 331118316126.

It is an arithmetic number, because the mean of its divisors is an integer number (331118316126).

Almost surely, 2^662236632251 is an apocalyptic number.

662236632251 is a deficient number, since it is larger than the sum of its proper divisors (1).

662236632251 is an equidigital number, since it uses as much as digits as its factorization.

662236632251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 44.

The spelling of 662236632251 in words is "six hundred sixty-two billion, two hundred thirty-six million, six hundred thirty-two thousand, two hundred fifty-one".