2164411641 has 32 divisors (see below), whose sum is σ = 3351656448. Its totient is φ = 1216817280.

The previous prime is 2164411621. The next prime is 2164411643. The reversal of 2164411641 is 1461144612.

It is not a de Polignac number, because 2164411641 - 2⁵ = 2164411609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2164411599 and 2164411608.

It is not an unprimeable number, because it can be changed into a prime (2164411643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 873981 + ... + 876453.

It is an arithmetic number, because the mean of its divisors is an integer number (104739264).

Almost surely, 2^2164411641 is an apocalyptic number.

2164411641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2164411641 is a deficient number, since it is larger than the sum of its proper divisors (1187244807).

2164411641 is a wasteful number, since it uses less digits than its factorization.

2164411641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141.

The product of its digits is 4608, while the sum is 30.

The square root of 2164411641 is about 46523.2376452886. The cubic root of 2164411641 is about 1293.5402704018.

The spelling of 2164411641 in words is "two billion, one hundred sixty-four million, four hundred eleven thousand, six hundred forty-one".