664303543486 has 32 divisors (see below), whose sum is σ = 1149678069120. Its totient is φ = 284707936800.

The previous prime is 664303543471. The next prime is 664303543499. The reversal of 664303543486 is 684345303466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3677781 + ... + 3854176.

It is an arithmetic number, because the mean of its divisors is an integer number (35927439660).

Almost surely, 2^664303543486 is an apocalyptic number.

664303543486 is a deficient number, since it is larger than the sum of its proper divisors (485374525634).

664303543486 is a wasteful number, since it uses less digits than its factorization.

664303543486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7532200.

The product of its (nonzero) digits is 14929920, while the sum is 52.

The spelling of 664303543486 in words is "six hundred sixty-four billion, three hundred three million, five hundred forty-three thousand, four hundred eighty-six".