16552106217 has 16 divisors (see below), whose sum is σ = 24559217280. Its totient is φ = 11017827216.

The previous prime is 16552106191. The next prime is 16552106227. The reversal of 16552106217 is 71260125561.

16552106217 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 21 + 0 + 621 + 7 = 666.

It is not a de Polignac number, because 16552106217 - 2¹² = 16552102121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16552106227) 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, 451773 + ... + 487034.

It is an arithmetic number, because the mean of its divisors is an integer number (1534951080).

Almost surely, 2^16552106217 is an apocalyptic number.

It is an amenable number.

16552106217 is a deficient number, since it is larger than the sum of its proper divisors (8007111063).

16552106217 is an equidigital number, since it uses as much as digits as its factorization.

16552106217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939469 (or 939463 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 16552106217 in words is "sixteen billion, five hundred fifty-two million, one hundred six thousand, two hundred seventeen".