662321086811 has 6 divisors (see below), whose sum is σ = 699014776212. Its totient is φ = 627462081900.

The previous prime is 662321086807. The next prime is 662321086837. The reversal of 662321086811 is 118680123266.

662321086811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 662321086811 - 2² = 662321086807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662321088811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 917341865 + ... + 917342586.

It is an arithmetic number, because the mean of its divisors is an integer number (116502462702).

Almost surely, 2^662321086811 is an apocalyptic number.

662321086811 is a deficient number, since it is larger than the sum of its proper divisors (36693689401).

662321086811 is a wasteful number, since it uses less digits than its factorization.

662321086811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834684489 (or 1834684470 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 662321086811 in words is "six hundred sixty-two billion, three hundred twenty-one million, eighty-six thousand, eight hundred eleven".