21364767054126 has 96 divisors (see below), whose sum is σ = 48651829862688. Its totient is φ = 6768424316160.

The previous prime is 21364767054107. The next prime is 21364767054143. The reversal of 21364767054126 is 62145076746312.

21364767054126 is a `hidden beast` number, since 2 + 1 + 3 + 6 + 4 + 7 + 6 + 70 + 541 + 26 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6679456 + ... + 9345836.

It is an arithmetic number, because the mean of its divisors is an integer number (506789894403).

Almost surely, 2^{21364767054126} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21364767054126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24325914931344).

21364767054126 is an abundant number, since it is smaller than the sum of its proper divisors (27287062808562).

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

21364767054126 is a wasteful number, since it uses less digits than its factorization.

21364767054126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666706 (or 2666703 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 21364767054126 in words is "twenty-one trillion, three hundred sixty-four billion, seven hundred sixty-seven million, fifty-four thousand, one hundred twenty-six".