320928036621 has 8 divisors (see below), whose sum is σ = 427925137920. Its totient is φ = 213941479872.

The previous prime is 320928036607. The next prime is 320928036629. The reversal of 320928036621 is 126630829023.

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

It is not a de Polignac number, because 320928036621 - 2⁵ = 320928036589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320928036629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2564845 + ... + 2687058.

It is an arithmetic number, because the mean of its divisors is an integer number (53490642240).

Almost surely, 2^320928036621 is an apocalyptic number.

It is an amenable number.

320928036621 is a deficient number, since it is larger than the sum of its proper divisors (106997101299).

320928036621 is a wasteful number, since it uses less digits than its factorization.

320928036621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272275.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 320928036621 in words is "three hundred twenty billion, nine hundred twenty-eight million, thirty-six thousand, six hundred twenty-one".