1611204822832 has 80 divisors (see below), whose sum is σ = 3416924160000. Its totient is φ = 729912153600.

The previous prime is 1611204822809. The next prime is 1611204822901. The reversal of 1611204822832 is 2382284021161.

It is a happy number.

It is a super-2 number, since 2×1611204822832² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99149044 + ... + 99165292.

It is an arithmetic number, because the mean of its divisors is an integer number (42711552000).

Almost surely, 2^{1611204822832} is an apocalyptic number.

It is an amenable number.

1611204822832 is an abundant number, since it is smaller than the sum of its proper divisors (1805719337168).

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

1611204822832 is a wasteful number, since it uses less digits than its factorization.

1611204822832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18122 (or 18116 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

Adding to 1611204822832 its reverse (2382284021161), we get a palindrome (3993488843993).

The spelling of 1611204822832 in words is "one trillion, six hundred eleven billion, two hundred four million, eight hundred twenty-two thousand, eight hundred thirty-two".