16634126122256 has 30 divisors (see below), whose sum is σ = 34014138451902. Its totient is φ = 7879322897280.

The previous prime is 16634126122219. The next prime is 16634126122259. The reversal of 16634126122256 is 65222162143661.

It can be written as a sum of positive squares in only one way, i.e., 11345579622400 + 5288546499856 = 3368320^2 + 2299684^2 .

It is a super-2 number, since 2×16634126122256² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16634126122256.

It is not an unprimeable number, because it can be changed into a prime (16634126122259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1439928965 + ... + 1439940516.

Almost surely, 2^{16634126122256} is an apocalyptic number.

16634126122256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16634126122256 is an abundant number, since it is smaller than the sum of its proper divisors (17380012329646).

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

16634126122256 is a wasteful number, since it uses less digits than its factorization.

16634126122256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879869527 (or 2879869502 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 47.

The spelling of 16634126122256 in words is "sixteen trillion, six hundred thirty-four billion, one hundred twenty-six million, one hundred twenty-two thousand, two hundred fifty-six".