664320062 has 8 divisors (see below), whose sum is σ = 1138834416. Its totient is φ = 284708592.

The previous prime is 664320061. The next prime is 664320077. The reversal of 664320062 is 260023466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×664320062² = 882642289551367688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664320061) 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, 23725703 + ... + 23725730.

It is an arithmetic number, because the mean of its divisors is an integer number (142354302).

Almost surely, 2^664320062 is an apocalyptic number.

664320062 is a deficient number, since it is larger than the sum of its proper divisors (474514354).

664320062 is a wasteful number, since it uses less digits than its factorization.

664320062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47451442.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 664320062 is about 25774.4071124827. The cubic root of 664320062 is about 872.5542857771.

The spelling of 664320062 in words is "six hundred sixty-four million, three hundred twenty thousand, sixty-two".