2161467913 has 8 divisors (see below), whose sum is σ = 2408135040. Its totient is φ = 1923162480.

The previous prime is 2161467899. The next prime is 2161467923. The reversal of 2161467913 is 3197641612.

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 2161467913 - 2⁵ = 2161467881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2161467923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2089878 + ... + 2090911.

It is an arithmetic number, because the mean of its divisors is an integer number (301016880).

Almost surely, 2^2161467913 is an apocalyptic number.

It is an amenable number.

2161467913 is a deficient number, since it is larger than the sum of its proper divisors (246667127).

2161467913 is a wasteful number, since it uses less digits than its factorization.

2161467913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180847.

The product of its digits is 54432, while the sum is 40.

The square root of 2161467913 is about 46491.5897017945. The cubic root of 2161467913 is about 1292.9535738852.

It can be divided in two parts, 2161 and 467913, that added together give a palindrome (470074).

The spelling of 2161467913 in words is "two billion, one hundred sixty-one million, four hundred sixty-seven thousand, nine hundred thirteen".