15671161 has 16 divisors (see below), whose sum is σ = 18240768. Its totient is φ = 13305600.

The previous prime is 15671111. The next prime is 15671171. The reversal of 15671161 is 16117651.

It is not a de Polignac number, because 15671161 - 2¹⁵ = 15638393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15671101) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33616 + ... + 34078.

It is an arithmetic number, because the mean of its divisors is an integer number (1140048).

Almost surely, 2^15671161 is an apocalyptic number.

15671161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15671161 is a deficient number, since it is larger than the sum of its proper divisors (2569607).

15671161 is a wasteful number, since it uses less digits than its factorization.

15671161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672.

The product of its digits is 1260, while the sum is 28.

The square root of 15671161 is about 3958.6817250191. The cubic root of 15671161 is about 250.2459499551.

It can be divided in two parts, 156 and 71161, that added together give a palindrome (71317).

The spelling of 15671161 in words is "fifteen million, six hundred seventy-one thousand, one hundred sixty-one".