2167019458728 has 32 divisors (see below), whose sum is σ = 5653094241600. Its totient is φ = 690933740288.

The previous prime is 2167019458673. The next prime is 2167019458753. The reversal of 2167019458728 is 8278549107612.

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 7 ways as a sum of consecutive naturals, for example, 1962879393 + ... + 1962880496.

It is an arithmetic number, because the mean of its divisors is an integer number (176659195050).

Almost surely, 2^{2167019458728} is an apocalyptic number.

It is an amenable number.

2167019458728 is an abundant number, since it is smaller than the sum of its proper divisors (3486074782872).

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

2167019458728 is a wasteful number, since it uses less digits than its factorization.

2167019458728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925759921 (or 3925759917 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 2167019458728 in words is "two trillion, one hundred sixty-seven billion, nineteen million, four hundred fifty-eight thousand, seven hundred twenty-eight".