16373641 has 2 divisors, whose sum is σ = 16373642. Its totient is φ = 16373640.

The previous prime is 16373639. The next prime is 16373663. The reversal of 16373641 is 14637361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16281225 + 92416 = 4035^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 16373641 - 2¹ = 16373639 is a prime.

It is a super-2 number, since 2×16373641² = 536192239193762, which contains 22 as substring.

Together with 16373639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16373671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8186820 + 8186821.

It is an arithmetic number, because the mean of its divisors is an integer number (8186821).

Almost surely, 2^16373641 is an apocalyptic number.

It is an amenable number.

16373641 is a deficient number, since it is larger than the sum of its proper divisors (1).

16373641 is an equidigital number, since it uses as much as digits as its factorization.

16373641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 16373641 is about 4046.4355919747. The cubic root of 16373641 is about 253.9306287500.

It can be divided in two parts, 163736 and 41, that multiplied together give a palindrome (6713176).

The spelling of 16373641 in words is "sixteen million, three hundred seventy-three thousand, six hundred forty-one".