16622582217 has 16 divisors (see below), whose sum is σ = 22291102848. Its totient is φ = 11017958400.

The previous prime is 16622582209. The next prime is 16622582299. The reversal of 16622582217 is 71228522661.

It is not a de Polignac number, because 16622582217 - 2³ = 16622582209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16622582917) 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, 1135092 + ... + 1149642.

It is an arithmetic number, because the mean of its divisors is an integer number (1393193928).

Almost surely, 2^16622582217 is an apocalyptic number.

It is an amenable number.

16622582217 is a deficient number, since it is larger than the sum of its proper divisors (5668520631).

16622582217 is a wasteful number, since it uses less digits than its factorization.

16622582217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16720.

The product of its digits is 161280, while the sum is 42.

The spelling of 16622582217 in words is "sixteen billion, six hundred twenty-two million, five hundred eighty-two thousand, two hundred seventeen".