2016231426 has 160 divisors (see below), whose sum is σ = 5085020160. Its totient is φ = 591948000.

The previous prime is 2016231419. The next prime is 2016231463. The reversal of 2016231426 is 6241326102.

2016231426 is a `hidden beast` number, since 2 + 0 + 1 + 6 + 231 + 426 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2016231426.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13352451 + ... + 13352601.

It is an arithmetic number, because the mean of its divisors is an integer number (31781376).

Almost surely, 2^2016231426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2016231426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2542510080).

2016231426 is an abundant number, since it is smaller than the sum of its proper divisors (3068788734).

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

2016231426 is a wasteful number, since it uses less digits than its factorization.

2016231426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2016231426 is about 44902.4657006717. The cubic root of 2016231426 is about 1263.3202566313.

Adding to 2016231426 its reverse (6241326102), we get a palindrome (8257557528).

The spelling of 2016231426 in words is "two billion, sixteen million, two hundred thirty-one thousand, four hundred twenty-six".