16180461128 has 16 divisors (see below), whose sum is σ = 32672085180. Its totient is φ = 7467905088.

The previous prime is 16180461119. The next prime is 16180461131. The reversal of 16180461128 is 82116408161.

16180461128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16087878244 + 92582884 = 126838^2 + 9622^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16180461091 and 16180461100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77790575 + ... + 77790782.

Almost surely, 2^16180461128 is an apocalyptic number.

It is an amenable number.

16180461128 is an abundant number, since it is smaller than the sum of its proper divisors (16491624052).

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

16180461128 is a wasteful number, since it uses less digits than its factorization.

16180461128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155581376 (or 155581372 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

Adding to 16180461128 its reverse (82116408161), we get a palindrome (98296869289).

The spelling of 16180461128 in words is "sixteen billion, one hundred eighty million, four hundred sixty-one thousand, one hundred twenty-eight".