16081237 has 2 divisors, whose sum is σ = 16081238. Its totient is φ = 16081236.

The previous prime is 16081231. The next prime is 16081259. The reversal of 16081237 is 73218061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13476241 + 2604996 = 3671^2 + 1614^2 .

It is a cyclic number.

It is not a de Polignac number, because 16081237 - 2³ = 16081229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16081231) 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 as a sum of consecutive naturals, namely, 8040618 + 8040619.

It is an arithmetic number, because the mean of its divisors is an integer number (8040619).

Almost surely, 2^16081237 is an apocalyptic number.

It is an amenable number.

16081237 is a deficient number, since it is larger than the sum of its proper divisors (1).

16081237 is an equidigital number, since it uses as much as digits as its factorization.

16081237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 16081237 is about 4010.1417680676. The cubic root of 16081237 is about 252.4099577648.

Adding to 16081237 its reverse (73218061), we get a palindrome (89299298).

The spelling of 16081237 in words is "sixteen million, eighty-one thousand, two hundred thirty-seven".