3553554161320 has 128 divisors (see below), whose sum is σ = 8579021299200. Its totient is φ = 1321267977216.

The previous prime is 3553554161303. The next prime is 3553554161321. The reversal of 3553554161320 is 231614553553.

3553554161320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3553554161321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28156197 + ... + 28282123.

It is an arithmetic number, because the mean of its divisors is an integer number (67023603900).

Almost surely, 2^{3553554161320} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3553554161320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4289510649600).

3553554161320 is an abundant number, since it is smaller than the sum of its proper divisors (5025467137880).

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

3553554161320 is a wasteful number, since it uses less digits than its factorization.

3553554161320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126827 (or 126823 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 3553554161320 in words is "three trillion, five hundred fifty-three billion, five hundred fifty-four million, one hundred sixty-one thousand, three hundred twenty".