662105006671 has 4 divisors (see below), whose sum is σ = 662115405952. Its totient is φ = 662094607392.

The previous prime is 662105006611. The next prime is 662105006701. The reversal of 662105006671 is 176600501266.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 662105006671 - 2⁹ = 662105006159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662105006611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5103546 + ... + 5231671.

It is an arithmetic number, because the mean of its divisors is an integer number (165528851488).

Almost surely, 2^662105006671 is an apocalyptic number.

662105006671 is a deficient number, since it is larger than the sum of its proper divisors (10399281).

662105006671 is a wasteful number, since it uses less digits than its factorization.

662105006671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10399280.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 662105006671 in words is "six hundred sixty-two billion, one hundred five million, six thousand, six hundred seventy-one".