11398161 has 8 divisors (see below), whose sum is σ = 15259104. Its totient is φ = 7568000.

The previous prime is 11398159. The next prime is 11398169. The reversal of 11398161 is 16189311.

11398161 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11398161 - 2¹ = 11398159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11398169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6816 + ... + 8321.

It is an arithmetic number, because the mean of its divisors is an integer number (1907388).

Almost surely, 2^11398161 is an apocalyptic number.

It is an amenable number.

11398161 is a deficient number, since it is larger than the sum of its proper divisors (3860943).

11398161 is a wasteful number, since it uses less digits than its factorization.

11398161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15391.

The product of its digits is 1296, while the sum is 30.

The square root of 11398161 is about 3376.1162598465. The cubic root of 11398161 is about 225.0496088144.

The spelling of 11398161 in words is "eleven million, three hundred ninety-eight thousand, one hundred sixty-one".