16359481 has 2 divisors, whose sum is σ = 16359482. Its totient is φ = 16359480.

The previous prime is 16359449. The next prime is 16359493. The reversal of 16359481 is 18495361.

16359481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15327225 + 1032256 = 3915^2 + 1016^2 .

It is an emirp because it is prime and its reverse (18495361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16359481 - 2⁵ = 16359449 is a prime.

It is a super-2 number, since 2×16359481² = 535265237178722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16359481.

It is not a weakly prime, because it can be changed into another prime (16359401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8179740 + 8179741.

It is an arithmetic number, because the mean of its divisors is an integer number (8179741).

Almost surely, 2^16359481 is an apocalyptic number.

It is an amenable number.

16359481 is a deficient number, since it is larger than the sum of its proper divisors (1).

16359481 is an equidigital number, since it uses as much as digits as its factorization.

16359481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 16359481 is about 4044.6855254766. The cubic root of 16359481 is about 253.8574075136.

The spelling of 16359481 in words is "sixteen million, three hundred fifty-nine thousand, four hundred eighty-one".