16931027 has 2 divisors, whose sum is σ = 16931028. Its totient is φ = 16931026.

The previous prime is 16931023. The next prime is 16931029. The reversal of 16931027 is 72013961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16931027 - 2² = 16931023 is a prime.

Together with 16931029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16931023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8465513 + 8465514.

It is an arithmetic number, because the mean of its divisors is an integer number (8465514).

Almost surely, 2^16931027 is an apocalyptic number.

16931027 is a deficient number, since it is larger than the sum of its proper divisors (1).

16931027 is an equidigital number, since it uses as much as digits as its factorization.

16931027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 16931027 is about 4114.7329196438. The cubic root of 16931027 is about 256.7799445636.

Adding to 16931027 its reverse (72013961), we get a palindrome (88944988).

The spelling of 16931027 in words is "sixteen million, nine hundred thirty-one thousand, twenty-seven".