662404655 has 16 divisors (see below), whose sum is σ = 868692384. Its totient is φ = 480890880.

The previous prime is 662404627. The next prime is 662404667. The reversal of 662404655 is 556404266.

It is not a de Polignac number, because 662404655 - 2¹² = 662400559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21299 + ... + 42171.

It is an arithmetic number, because the mean of its divisors is an integer number (54293274).

Almost surely, 2^662404655 is an apocalyptic number.

662404655 is a deficient number, since it is larger than the sum of its proper divisors (206287729).

662404655 is a wasteful number, since it uses less digits than its factorization.

662404655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21466.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 662404655 is about 25737.2231408130. The cubic root of 662404655 is about 871.7148784286.

The spelling of 662404655 in words is "six hundred sixty-two million, four hundred four thousand, six hundred fifty-five".