2166062521260 has 192 divisors, whose sum is σ = 6762392179200. Its totient is φ = 513610598400.

The previous prime is 2166062521243. The next prime is 2166062521261. The reversal of 2166062521260 is 621252606612.

It is a super-3 number, since 3×2166062521260³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2166062521261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7056256 + ... + 7356824.

It is an arithmetic number, because the mean of its divisors is an integer number (35220792600).

Almost surely, 2^{2166062521260} is an apocalyptic number.

2166062521260 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 2166062521260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3381196089600).

2166062521260 is an abundant number, since it is smaller than the sum of its proper divisors (4596329657940).

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

2166062521260 is a wasteful number, since it uses less digits than its factorization.

2166062521260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300832 (or 300830 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 2166062521260 in words is "two trillion, one hundred sixty-six billion, sixty-two million, five hundred twenty-one thousand, two hundred sixty".