7018161 has 16 divisors (see below), whose sum is σ = 9966528. Its totient is φ = 4377600.

The previous prime is 7018139. The next prime is 7018169. The reversal of 7018161 is 1618107.

7018161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7018161 - 2⁵ = 7018129 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (7018169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12006 + ... + 12576.

It is an arithmetic number, because the mean of its divisors is an integer number (622908).

Almost surely, 2^7018161 is an apocalyptic number.

It is an amenable number.

7018161 is a deficient number, since it is larger than the sum of its proper divisors (2948367).

7018161 is a wasteful number, since it uses less digits than its factorization.

7018161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 7018161 is about 2649.1811942561. The cubic root of 7018161 is about 191.4584075264.

The spelling of 7018161 in words is "seven million, eighteen thousand, one hundred sixty-one".