2166902511248 has 160 divisors (see below), whose sum is σ = 4626180096000. Its totient is φ = 979356718080.

The previous prime is 2166902511199. The next prime is 2166902511287. The reversal of 2166902511248 is 8421152096612.

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 31 ways as a sum of consecutive naturals, for example, 675256268 + ... + 675259476.

It is an arithmetic number, because the mean of its divisors is an integer number (28913625600).

Almost surely, 2^{2166902511248} 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 2166902511248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2313090048000).

2166902511248 is an abundant number, since it is smaller than the sum of its proper divisors (2459277584752).

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

2166902511248 is a wasteful number, since it uses less digits than its factorization.

2166902511248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253 (or 4247 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 2166902511248 in words is "two trillion, one hundred sixty-six billion, nine hundred two million, five hundred eleven thousand, two hundred forty-eight".