216020765154568 has 64 divisors (see below), whose sum is σ = 445949195472000. Its totient is φ = 97282833062400.

The previous prime is 216020765154563. The next prime is 216020765154577. The reversal of 216020765154568 is 865451567020612.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (216020765154563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123047428 + ... + 124790668.

It is an arithmetic number, because the mean of its divisors is an integer number (6967956179250).

Almost surely, 2^{216020765154568} 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 216020765154568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222974597736000).

216020765154568 is an abundant number, since it is smaller than the sum of its proper divisors (229928430317432).

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

216020765154568 is a wasteful number, since it uses less digits than its factorization.

216020765154568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756286 (or 1756282 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 216020765154568 in words is "two hundred sixteen trillion, twenty billion, seven hundred sixty-five million, one hundred fifty-four thousand, five hundred sixty-eight".