662641066263 has 16 divisors (see below), whose sum is σ = 963939511296. Its totient is φ = 401559829440.

The previous prime is 662641066261. The next prime is 662641066291. The reversal of 662641066263 is 362660146266.

It is not a de Polignac number, because 662641066263 - 2¹ = 662641066261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662641066261) 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 in 15 ways as a sum of consecutive naturals, for example, 689206 + ... + 1341747.

It is an arithmetic number, because the mean of its divisors is an integer number (60246219456).

Almost surely, 2^662641066263 is an apocalyptic number.

662641066263 is a deficient number, since it is larger than the sum of its proper divisors (301298445033).

662641066263 is a wasteful number, since it uses less digits than its factorization.

662641066263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040854.

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 662641066263 in words is "six hundred sixty-two billion, six hundred forty-one million, sixty-six thousand, two hundred sixty-three".