2174706856896 has 224 divisors, whose sum is σ = 6740970259968. Its totient is φ = 605768663040.

The previous prime is 2174706856877. The next prime is 2174706856901. The reversal of 2174706856896 is 6986586074712.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 2174706856896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83910436 + ... + 83936348.

It is an arithmetic number, because the mean of its divisors is an integer number (30093617232).

Almost surely, 2^{2174706856896} 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 2174706856896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3370485129984).

2174706856896 is an abundant number, since it is smaller than the sum of its proper divisors (4566263403072).

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

2174706856896 is a wasteful number, since it uses less digits than its factorization.

2174706856896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27499 (or 27489 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 69.

The spelling of 2174706856896 in words is "two trillion, one hundred seventy-four billion, seven hundred six million, eight hundred fifty-six thousand, eight hundred ninety-six".