662641066264 has 8 divisors (see below), whose sum is σ = 1242451999260. Its totient is φ = 331320533128.

The previous prime is 662641066261. The next prime is 662641066291. The reversal of 662641066264 is 462660146266.

It is a tau number, because it is divible by the number of its divisors (8).

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 polite number, since it can be written as a sum of consecutive naturals, namely, 41415066634 + ... + 41415066649.

Almost surely, 2^662641066264 is an apocalyptic number.

It is an amenable number.

662641066264 is a deficient number, since it is larger than the sum of its proper divisors (579810932996).

662641066264 is a wasteful number, since it uses less digits than its factorization.

662641066264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82830133289 (or 82830133285 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 662641066264 in words is "six hundred sixty-two billion, six hundred forty-one million, sixty-six thousand, two hundred sixty-four".