16161727 has 2 divisors, whose sum is σ = 16161728. Its totient is φ = 16161726.

The previous prime is 16161653. The next prime is 16161751. The reversal of 16161727 is 72716161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16161727 - 2²³ = 7773119 is a prime.

It is a super-2 number, since 2×16161727² = 522402839245058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16161797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8080863 + 8080864.

It is an arithmetic number, because the mean of its divisors is an integer number (8080864).

Almost surely, 2^16161727 is an apocalyptic number.

16161727 is a deficient number, since it is larger than the sum of its proper divisors (1).

16161727 is an equidigital number, since it uses as much as digits as its factorization.

16161727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 31.

The square root of 16161727 is about 4020.1650463631. The cubic root of 16161727 is about 252.8303788918.

Adding to 16161727 its reverse (72716161), we get a palindrome (88877888).

The spelling of 16161727 in words is "sixteen million, one hundred sixty-one thousand, seven hundred twenty-seven".