200126164644 has 192 divisors, whose sum is σ = 632795627520. Its totient is φ = 53391260160.

The previous prime is 200126164613. The next prime is 200126164673. The reversal of 200126164644 is 446461621002.

200126164644 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 2 + 6 + 1 + 6 + 4 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 200126164599 and 200126164608.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1570899 + ... + 1693509.

It is an arithmetic number, because the mean of its divisors is an integer number (3295810560).

Almost surely, 2^200126164644 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 200126164644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316397813760).

200126164644 is an abundant number, since it is smaller than the sum of its proper divisors (432669462876).

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

200126164644 is a wasteful number, since it uses less digits than its factorization.

200126164644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122775 (or 122767 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

Adding to 200126164644 its reverse (446461621002), we get a palindrome (646587785646).

The spelling of 200126164644 in words is "two hundred billion, one hundred twenty-six million, one hundred sixty-four thousand, six hundred forty-four".