320232296664 has 80 divisors (see below), whose sum is σ = 1025082234000. Its totient is φ = 91494940608.

The previous prime is 320232296663. The next prime is 320232296689. The reversal of 320232296664 is 466692232023.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320232296663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35294439 + ... + 35303510.

It is an arithmetic number, because the mean of its divisors is an integer number (12813527925).

Almost surely, 2^320232296664 is an apocalyptic number.

It is an amenable number.

320232296664 is an abundant number, since it is smaller than the sum of its proper divisors (704849937336).

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

320232296664 is a wasteful number, since it uses less digits than its factorization.

320232296664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70597974 (or 70597961 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 45.

The spelling of 320232296664 in words is "three hundred twenty billion, two hundred thirty-two million, two hundred ninety-six thousand, six hundred sixty-four".