216622620203 has 8 divisors (see below), whose sum is σ = 248753248320. Its totient is φ = 186564935880.

The previous prime is 216622620161. The next prime is 216622620211. The reversal of 216622620203 is 302026226612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216622620203 - 2¹⁰ = 216622619179 is a prime.

It is a super-2 number, since 2×216622620203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216622620203.

It is not an unprimeable number, because it can be changed into a prime (216622620103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518235725 + ... + 518236142.

It is an arithmetic number, because the mean of its divisors is an integer number (31094156040).

Almost surely, 2^216622620203 is an apocalyptic number.

216622620203 is a deficient number, since it is larger than the sum of its proper divisors (32130628117).

216622620203 is a wasteful number, since it uses less digits than its factorization.

216622620203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036471897.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 216622620203 its reverse (302026226612), we get a palindrome (518648846815).

The spelling of 216622620203 in words is "two hundred sixteen billion, six hundred twenty-two million, six hundred twenty thousand, two hundred three".