18160401 has 8 divisors (see below), whose sum is σ = 27673024. Its totient is φ = 10377360.

The previous prime is 18160379. The next prime is 18160411. The reversal of 18160401 is 10406181.

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

It is not a de Polignac number, because 18160401 - 2¹¹ = 18158353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 864781 = 18160401 / (1 + 8 + 1 + 6 + 0 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18160411) 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, 432370 + ... + 432411.

It is an arithmetic number, because the mean of its divisors is an integer number (3459128).

Almost surely, 2^18160401 is an apocalyptic number.

It is an amenable number.

18160401 is a deficient number, since it is larger than the sum of its proper divisors (9512623).

18160401 is an equidigital number, since it uses as much as digits as its factorization.

18160401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864791.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 18160401 is about 4261.5021999290. The cubic root of 18160401 is about 262.8503005775.

Adding to 18160401 its reverse (10406181), we get a palindrome (28566582).

The spelling of 18160401 in words is "eighteen million, one hundred sixty thousand, four hundred one".