16380901 has 2 divisors, whose sum is σ = 16380902. Its totient is φ = 16380900.

The previous prime is 16380857. The next prime is 16380919. The reversal of 16380901 is 10908361.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16208676 + 172225 = 4026^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 16380901 - 2⁷ = 16380773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16380901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16380961) 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, 8190450 + 8190451.

It is an arithmetic number, because the mean of its divisors is an integer number (8190451).

Almost surely, 2^16380901 is an apocalyptic number.

It is an amenable number.

16380901 is a deficient number, since it is larger than the sum of its proper divisors (1).

16380901 is an equidigital number, since it uses as much as digits as its factorization.

16380901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 16380901 is about 4047.3325783780. The cubic root of 16380901 is about 253.9681537770.

The spelling of 16380901 in words is "sixteen million, three hundred eighty thousand, nine hundred one".