329916979456 has 27 divisors (see below), whose sum is σ = 658563565611. Its totient is φ = 164953894656.

The previous prime is 329916979451. The next prime is 329916979459. The reversal of 329916979456 is 654979619923.

The square root of 329916979456 is 574384.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (329916979451) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9172195 + ... + 9208093.

Almost surely, 2^329916979456 is an apocalyptic number.

329916979456 is the 574384-th square number.

It is an amenable number.

329916979456 is a deficient number, since it is larger than the sum of its proper divisors (328646586155).

329916979456 is an frugal number, since it uses more digits than its factorization.

329916979456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71814 (or 35901 counting only the distinct ones).

The product of its digits is 198404640, while the sum is 70.

The spelling of 329916979456 in words is "three hundred twenty-nine billion, nine hundred sixteen million, nine hundred seventy-nine thousand, four hundred fifty-six".