16131356 has 6 divisors (see below), whose sum is σ = 28229880. Its totient is φ = 8065676.

The previous prime is 16131343. The next prime is 16131359. The reversal of 16131356 is 65313161.

16131356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16131359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016416 + ... + 2016423.

It is an arithmetic number, because the mean of its divisors is an integer number (4704980).

Almost surely, 2^16131356 is an apocalyptic number.

It is an amenable number.

16131356 is a deficient number, since it is larger than the sum of its proper divisors (12098524).

16131356 is a wasteful number, since it uses less digits than its factorization.

16131356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032843 (or 4032841 counting only the distinct ones).

The product of its digits is 1620, while the sum is 26.

The square root of 16131356 is about 4016.3859376310. The cubic root of 16131356 is about 252.6719072468.

The spelling of 16131356 in words is "sixteen million, one hundred thirty-one thousand, three hundred fifty-six".