16466402216 has 32 divisors (see below), whose sum is σ = 33735977280. Its totient is φ = 7472572800.

The previous prime is 16466402203. The next prime is 16466402219. The reversal of 16466402216 is 61220466461.

It is a super-2 number, since 2×16466402216² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16466402216.

It is not an unprimeable number, because it can be changed into a prime (16466402219) 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, 97340 + ... + 205931.

It is an arithmetic number, because the mean of its divisors is an integer number (1054249290).

Almost surely, 2^16466402216 is an apocalyptic number.

It is an amenable number.

16466402216 is an abundant number, since it is smaller than the sum of its proper divisors (17269575064).

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

16466402216 is a wasteful number, since it uses less digits than its factorization.

16466402216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303905 (or 303901 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

Adding to 16466402216 its reverse (61220466461), we get a palindrome (77686868677).

The spelling of 16466402216 in words is "sixteen billion, four hundred sixty-six million, four hundred two thousand, two hundred sixteen".