2418864165 has 48 divisors (see below), whose sum is σ = 4381648128. Its totient is φ = 1233203328.

The previous prime is 2418864143. The next prime is 2418864169. The reversal of 2418864165 is 5614688142.

It is a happy number.

It is not a de Polignac number, because 2418864165 - 2⁹ = 2418863653 is a prime.

It is a super-2 number, since 2×2418864165² = 11701807697442294450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2418864165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2418864169) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77647 + ... + 104243.

It is an arithmetic number, because the mean of its divisors is an integer number (91284336).

Almost surely, 2^2418864165 is an apocalyptic number.

It is an amenable number.

2418864165 is a deficient number, since it is larger than the sum of its proper divisors (1962783963).

2418864165 is a wasteful number, since it uses less digits than its factorization.

2418864165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26698 (or 26695 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 2418864165 is about 49181.9495851883. The cubic root of 2418864165 is about 1342.3646087571.

It can be divided in two parts, 241886 and 4165, that added together give a triangular number (246051 = T₇₀₁).

The spelling of 2418864165 in words is "two billion, four hundred eighteen million, eight hundred sixty-four thousand, one hundred sixty-five".