2147179826568 has 128 divisors (see below), whose sum is σ = 6238103235840. Its totient is φ = 603158400000.

The previous prime is 2147179826531. The next prime is 2147179826573. The reversal of 2147179826568 is 8656289717412.

It is a super-2 number, since 2×2147179826568² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2147179826499 and 2147179826508.

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, 23945818 + ... + 24035318.

It is an arithmetic number, because the mean of its divisors is an integer number (48735181530).

Almost surely, 2^{2147179826568} is an apocalyptic number.

2147179826568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2147179826568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3119051617920).

2147179826568 is an abundant number, since it is smaller than the sum of its proper divisors (4090923409272).

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

2147179826568 is a wasteful number, since it uses less digits than its factorization.

2147179826568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91919 (or 91915 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 66.

The spelling of 2147179826568 in words is "two trillion, one hundred forty-seven billion, one hundred seventy-nine million, eight hundred twenty-six thousand, five hundred sixty-eight".