16362161 has 4 divisors (see below), whose sum is σ = 16396800. Its totient is φ = 16327524.

The previous prime is 16362149. The next prime is 16362169. The reversal of 16362161 is 16126361.

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 a de Polignac number, because none of the positive numbers 2^k-16362161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16362161.

It is not an unprimeable number, because it can be changed into a prime (16362169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16601 + ... + 17558.

It is an arithmetic number, because the mean of its divisors is an integer number (4099200).

Almost surely, 2^16362161 is an apocalyptic number.

It is an amenable number.

16362161 is a deficient number, since it is larger than the sum of its proper divisors (34639).

16362161 is an equidigital number, since it uses as much as digits as its factorization.

16362161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34638.

The product of its digits is 1296, while the sum is 26.

The square root of 16362161 is about 4045.0168108427. The cubic root of 16362161 is about 253.8712690109.

The spelling of 16362161 in words is "sixteen million, three hundred sixty-two thousand, one hundred sixty-one".