2918163 has 4 divisors (see below), whose sum is σ = 3890888. Its totient is φ = 1945440.

The previous prime is 2918141. The next prime is 2918173. The reversal of 2918163 is 3618192.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2918163 - 2⁵ = 2918131 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2918163.

It is not an unprimeable number, because it can be changed into a prime (2918173) 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, 486358 + ... + 486363.

It is an arithmetic number, because the mean of its divisors is an integer number (972722).

2^2918163 is an apocalyptic number.

2918163 is a deficient number, since it is larger than the sum of its proper divisors (972725).

2918163 is an equidigital number, since it uses as much as digits as its factorization.

2918163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972724.

The product of its digits is 2592, while the sum is 30.

The square root of 2918163 is about 1708.2631530300. The cubic root of 2918163 is about 142.9014105193.

It can be divided in two parts, 29181 and 63, that multiplied together give a triangular number (1838403 = T₁₉₁₇).

The spelling of 2918163 in words is "two million, nine hundred eighteen thousand, one hundred sixty-three".