216365401614220 has 48 divisors (see below), whose sum is σ = 465569164166400. Its totient is φ = 84413566126080.

The previous prime is 216365401614149. The next prime is 216365401614221. The reversal of 216365401614220 is 22416104563612.

It is not an unprimeable number, because it can be changed into a prime (216365401614221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30734940 + ... + 37112899.

It is an arithmetic number, because the mean of its divisors is an integer number (9699357586800).

Almost surely, 2^{216365401614220} is an apocalyptic number.

216365401614220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216365401614220 is an abundant number, since it is smaller than the sum of its proper divisors (249203762552180).

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

216365401614220 is a wasteful number, since it uses less digits than its factorization.

216365401614220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67851778 (or 67851776 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 216365401614220 in words is "two hundred sixteen trillion, three hundred sixty-five billion, four hundred one million, six hundred fourteen thousand, two hundred twenty".