16541069 has 2 divisors, whose sum is σ = 16541070. Its totient is φ = 16541068.

The previous prime is 16541029. The next prime is 16541087. The reversal of 16541069 is 96014561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15132100 + 1408969 = 3890^2 + 1187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16541069 is a prime.

It is a super-2 number, since 2×16541069² = 547213927325522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16541009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8270534 + 8270535.

It is an arithmetic number, because the mean of its divisors is an integer number (8270535).

Almost surely, 2^16541069 is an apocalyptic number.

It is an amenable number.

16541069 is a deficient number, since it is larger than the sum of its proper divisors (1).

16541069 is an equidigital number, since it uses as much as digits as its factorization.

16541069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 16541069 is about 4067.0713050056. The cubic root of 16541069 is about 254.7932143905.

The spelling of 16541069 in words is "sixteen million, five hundred forty-one thousand, sixty-nine".