329946199992 has 48 divisors (see below), whose sum is σ = 893645766000. Its totient is φ = 109976962176.

The previous prime is 329946199969. The next prime is 329946199997. The reversal of 329946199992 is 299991649923.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (72).

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

It is a self number, because there is not a number n which added to its sum of digits gives 329946199992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329946199997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1657509 + ... + 1845867.

It is an arithmetic number, because the mean of its divisors is an integer number (18617620125).

Almost surely, 2^329946199992 is an apocalyptic number.

It is an amenable number.

329946199992 is an abundant number, since it is smaller than the sum of its proper divisors (563699566008).

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

329946199992 is a wasteful number, since it uses less digits than its factorization.

329946199992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212700 (or 212693 counting only the distinct ones).

The product of its digits is 153055008, while the sum is 72.

The spelling of 329946199992 in words is "three hundred twenty-nine billion, nine hundred forty-six million, one hundred ninety-nine thousand, nine hundred ninety-two".