16361951 has 2 divisors, whose sum is σ = 16361952. Its totient is φ = 16361950.

The previous prime is 16361941. The next prime is 16361953. The reversal of 16361951 is 15916361.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16361951 - 2¹⁸ = 16099807 is a prime.

Together with 16361953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16361953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8180975 + 8180976.

It is an arithmetic number, because the mean of its divisors is an integer number (8180976).

Almost surely, 2^16361951 is an apocalyptic number.

16361951 is a deficient number, since it is larger than the sum of its proper divisors (1).

16361951 is an equidigital number, since it uses as much as digits as its factorization.

16361951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 32.

The square root of 16361951 is about 4044.9908528945. The cubic root of 16361951 is about 253.8701829035.

The spelling of 16361951 in words is "sixteen million, three hundred sixty-one thousand, nine hundred fifty-one".