664662462 has 16 divisors (see below), whose sum is σ = 1329820032. Its totient is φ = 221471640.

The previous prime is 664662461. The next prime is 664662469. The reversal of 664662462 is 264266466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664662461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1864 + ... + 36507.

It is an arithmetic number, because the mean of its divisors is an integer number (83113752).

Almost surely, 2^664662462 is an apocalyptic number.

664662462 is an abundant number, since it is smaller than the sum of its proper divisors (665157570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

664662462 is a wasteful number, since it uses less digits than its factorization.

664662462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41263.

The product of its digits is 497664, while the sum is 42.

The square root of 664662462 is about 25781.0485046671. The cubic root of 664662462 is about 872.7041689887.

The spelling of 664662462 in words is "six hundred sixty-four million, six hundred sixty-two thousand, four hundred sixty-two".