216023277322944 has 560 divisors, whose sum is σ = 834497191015488. Its totient is φ = 53621806989312.

The previous prime is 216023277322907. The next prime is 216023277322973. The reversal of 216023277322944 is 449223772320612.

216023277322944 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 2 + 3 + 277 + 322 + 9 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5448729 + ... + 21488024.

Almost surely, 2^{216023277322944} is an apocalyptic number.

216023277322944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216023277322944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417248595507744).

216023277322944 is an abundant number, since it is smaller than the sum of its proper divisors (618473913692544).

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

216023277322944 is a wasteful number, since it uses less digits than its factorization.

216023277322944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26936814 (or 26936795 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 54.

The spelling of 216023277322944 in words is "two hundred sixteen trillion, twenty-three billion, two hundred seventy-seven million, three hundred twenty-two thousand, nine hundred forty-four".