13331221161084 has 48 divisors (see below), whose sum is σ = 34572412455840. Its totient is φ = 4442456315520.

The previous prime is 13331221161077. The next prime is 13331221161091. The reversal of 13331221161084 is 48016112213331.

13331221161084 is a `hidden beast` number, since 1 + 3 + 3 + 3 + 1 + 22 + 11 + 610 + 8 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (13331221161077) and next prime (13331221161091).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 17458809 + ... + 18206384.

It is an arithmetic number, because the mean of its divisors is an integer number (720258592830).

Almost surely, 2^{13331221161084} is an apocalyptic number.

It is an amenable number.

13331221161084 is an abundant number, since it is smaller than the sum of its proper divisors (21241191294756).

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

13331221161084 is a wasteful number, since it uses less digits than its factorization.

13331221161084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35668667 (or 35668659 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 13331221161084 in words is "thirteen trillion, three hundred thirty-one billion, two hundred twenty-one million, one hundred sixty-one thousand, eighty-four".