16061131 has 4 divisors (see below), whose sum is σ = 16579264. Its totient is φ = 15543000.

The previous prime is 16061093. The next prime is 16061159. The reversal of 16061131 is 13116061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16061131 - 2²¹ = 13963979 is a prime.

It is a super-2 number, since 2×16061131² = 515919857998322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16061099 and 16061108.

It is not an unprimeable number, because it can be changed into a prime (16065131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259020 + ... + 259081.

It is an arithmetic number, because the mean of its divisors is an integer number (4144816).

Almost surely, 2^16061131 is an apocalyptic number.

16061131 is a deficient number, since it is larger than the sum of its proper divisors (518133).

16061131 is an equidigital number, since it uses as much as digits as its factorization.

16061131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518132.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 16061131 is about 4007.6340900836. The cubic root of 16061131 is about 252.3047197760.

Adding to 16061131 its reverse (13116061), we get a palindrome (29177192).

The spelling of 16061131 in words is "sixteen million, sixty-one thousand, one hundred thirty-one".