329777811216 has 80 divisors (see below), whose sum is σ = 1081810819200. Its totient is φ = 94222230912.

The previous prime is 329777811151. The next prime is 329777811289. The reversal of 329777811216 is 612118777923.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

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, 54523731 + ... + 54529778.

It is an arithmetic number, because the mean of its divisors is an integer number (13522635240).

Almost surely, 2^329777811216 is an apocalyptic number.

329777811216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

329777811216 is an abundant number, since it is smaller than the sum of its proper divisors (752033007984).

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

329777811216 is a wasteful number, since it uses less digits than its factorization.

329777811216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109053533 (or 109053521 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 54.

The spelling of 329777811216 in words is "three hundred twenty-nine billion, seven hundred seventy-seven million, eight hundred eleven thousand, two hundred sixteen".