21364711516062 has 128 divisors (see below), whose sum is σ = 49572589731840. Its totient is φ = 6814053792000.

The previous prime is 21364711516037. The next prime is 21364711516067. The reversal of 21364711516062 is 26061511746312.

It is a happy number.

21364711516062 is a `hidden beast` number, since 2 + 1 + 3 + 6 + 4 + 71 + 1 + 516 + 0 + 62 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21364711515999 and 21364711516017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21364711516067) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 303997987 + ... + 304068257.

It is an arithmetic number, because the mean of its divisors is an integer number (387285857280).

Almost surely, 2^{21364711516062} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21364711516062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24786294865920).

21364711516062 is an abundant number, since it is smaller than the sum of its proper divisors (28207878215778).

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

21364711516062 is a wasteful number, since it uses less digits than its factorization.

21364711516062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72967 (or 72961 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 21364711516062 in words is "twenty-one trillion, three hundred sixty-four billion, seven hundred eleven million, five hundred sixteen thousand, sixty-two".