662059910661 has 16 divisors (see below), whose sum is σ = 921263362560. Its totient is φ = 422120555120.

The previous prime is 662059910653. The next prime is 662059910747. The reversal of 662059910661 is 166019950266.

It is a cyclic number.

It is not a de Polignac number, because 662059910661 - 2³ = 662059910653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662059910861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239955 + ... + 1175456.

It is an arithmetic number, because the mean of its divisors is an integer number (57578960160).

Almost surely, 2^662059910661 is an apocalyptic number.

It is an amenable number.

662059910661 is a deficient number, since it is larger than the sum of its proper divisors (259203451899).

662059910661 is a wasteful number, since it uses less digits than its factorization.

662059910661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422216.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 662059910661 in words is "six hundred sixty-two billion, fifty-nine million, nine hundred ten thousand, six hundred sixty-one".