662404671 has 12 divisors (see below), whose sum is σ = 957974472. Its totient is φ = 441064176.

The previous prime is 662404667. The next prime is 662404693. The reversal of 662404671 is 176404266.

It is not a de Polignac number, because 662404671 - 2² = 662404667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662404271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37056 + ... + 51941.

It is an arithmetic number, because the mean of its divisors is an integer number (79831206).

Almost surely, 2^662404671 is an apocalyptic number.

662404671 is a deficient number, since it is larger than the sum of its proper divisors (295569801).

662404671 is a wasteful number, since it uses less digits than its factorization.

662404671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89830 (or 89827 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 662404671 is about 25737.2234516468. The cubic root of 662404671 is about 871.7148854472.

The spelling of 662404671 in words is "six hundred sixty-two million, four hundred four thousand, six hundred seventy-one".