16361489 has 4 divisors (see below), whose sum is σ = 17222640. Its totient is φ = 15500340.

The previous prime is 16361483. The next prime is 16361503. The reversal of 16361489 is 98416361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16361489 - 2⁴ = 16361473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16361483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430547 + ... + 430584.

It is an arithmetic number, because the mean of its divisors is an integer number (4305660).

Almost surely, 2^16361489 is an apocalyptic number.

16361489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16361489 is a deficient number, since it is larger than the sum of its proper divisors (861151).

16361489 is an equidigital number, since it uses as much as digits as its factorization.

16361489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861150.

The product of its digits is 31104, while the sum is 38.

The square root of 16361489 is about 4044.9337448220. The cubic root of 16361489 is about 253.8677934344.

It can be divided in two parts, 1636 and 1489, that added together give a 5-th power (3125 = 5⁵).

The spelling of 16361489 in words is "sixteen million, three hundred sixty-one thousand, four hundred eighty-nine".