2160522161280 has 384 divisors, whose sum is σ = 8544835653120. Its totient is φ = 492762783744.

The previous prime is 2160522161251. The next prime is 2160522161309. The reversal of 2160522161280 is 821612250612.

2160522161280 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 522 + 1 + 6 + 128 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2160522161251) and next prime (2160522161309).

It is a tau number, because it is divible by the number of its divisors (384).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18610294 + ... + 18726026.

It is an arithmetic number, because the mean of its divisors is an integer number (22252176180).

Almost surely, 2^{2160522161280} is an apocalyptic number.

2160522161280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2160522161280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4272417826560).

2160522161280 is an abundant number, since it is smaller than the sum of its proper divisors (6384313491840).

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

2160522161280 is a wasteful number, since it uses less digits than its factorization.

2160522161280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116228 (or 116213 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 2160522161280 in words is "two trillion, one hundred sixty billion, five hundred twenty-two million, one hundred sixty-one thousand, two hundred eighty".