16366466361 has 24 divisors (see below), whose sum is σ = 25829038144. Its totient is φ = 9029764800.

The previous prime is 16366466359. The next prime is 16366466407.

16366466361 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 16366466361 - 2¹ = 16366466359 is a prime.

It is a super-2 number, since 2×16366466361² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16366466361.

It is not an unprimeable number, because it can be changed into a prime (16366466161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445690 + ... + 481011.

Almost surely, 2^16366466361 is an apocalyptic number.

It is an amenable number.

16366466361 is a deficient number, since it is larger than the sum of its proper divisors (9462571783).

16366466361 is an equidigital number, since it uses as much as digits as its factorization.

16366466361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926769 (or 926740 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 48.

The spelling of 16366466361 in words is "sixteen billion, three hundred sixty-six million, four hundred sixty-six thousand, three hundred sixty-one".