664673464513006 has 8 divisors (see below), whose sum is σ = 1073703288828744. Its totient is φ = 306772368236760.

The previous prime is 664673464513001. The next prime is 664673464513027. The reversal of 664673464513006 is 600315464376466.

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 (664673464513001) 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, 12782182009840 + ... + 12782182009891.

It is an arithmetic number, because the mean of its divisors is an integer number (134212911103593).

Almost surely, 2^{664673464513006} is an apocalyptic number.

664673464513006 is a deficient number, since it is larger than the sum of its proper divisors (409029824315738).

664673464513006 is a wasteful number, since it uses less digits than its factorization.

664673464513006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25564364019746.

The product of its (nonzero) digits is 156764160, while the sum is 61.

The spelling of 664673464513006 in words is "six hundred sixty-four trillion, six hundred seventy-three billion, four hundred sixty-four million, five hundred thirteen thousand, six".