2168230322790 has 768 divisors, whose sum is σ = 7221037824000. Its totient is φ = 457124290560.

The previous prime is 2168230322779. The next prime is 2168230322801. The reversal of 2168230322790 is 972230328612.

2168230322790 is a `hidden beast` number, since 2 + 1 + 6 + 8 + 230 + 322 + 7 + 90 = 666.

It is an interprime number because it is at equal distance from previous prime (2168230322779) and next prime (2168230322801).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 2148889806 + ... + 2148890814.

It is an arithmetic number, because the mean of its divisors is an integer number (9402393000).

Almost surely, 2^{2168230322790} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2168230322790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3610518912000).

2168230322790 is an abundant number, since it is smaller than the sum of its proper divisors (5052807501210).

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

2168230322790 is a wasteful number, since it uses less digits than its factorization.

2168230322790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 2168230322790 in words is "two trillion, one hundred sixty-eight billion, two hundred thirty million, three hundred twenty-two thousand, seven hundred ninety".