664800062 has 8 divisors (see below), whose sum is σ = 1055858976. Its totient is φ = 312847072.

The previous prime is 664800049. The next prime is 664800067. The reversal of 664800062 is 260008466.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664800067) 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, 9776438 + ... + 9776505.

It is an arithmetic number, because the mean of its divisors is an integer number (131982372).

Almost surely, 2^664800062 is an apocalyptic number.

664800062 is a deficient number, since it is larger than the sum of its proper divisors (391058914).

664800062 is a wasteful number, since it uses less digits than its factorization.

664800062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19552962.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 664800062 is about 25783.7169934825. The cubic root of 664800062 is about 872.7643879293.

The spelling of 664800062 in words is "six hundred sixty-four million, eight hundred thousand, sixty-two".