216051102267776 has 64 divisors (see below), whose sum is σ = 432831738024000. Its totient is φ = 107418858871296.

The previous prime is 216051102267761. The next prime is 216051102267797. The reversal of 216051102267776 is 677762201150612.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×216051102267776² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893882495 + ... + 894124161.

It is an arithmetic number, because the mean of its divisors is an integer number (6762995906625).

Almost surely, 2^{216051102267776} 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 216051102267776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216415869012000).

216051102267776 is an abundant number, since it is smaller than the sum of its proper divisors (216780635756224).

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

216051102267776 is a wasteful number, since it uses less digits than its factorization.

216051102267776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280879 (or 280867 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 216051102267776 in words is "two hundred sixteen trillion, fifty-one billion, one hundred two million, two hundred sixty-seven thousand, seven hundred seventy-six".