2163332461 has 4 divisors (see below), whose sum is σ = 2164964032. Its totient is φ = 2161700892.

The previous prime is 2163332449. The next prime is 2163332491. The reversal of 2163332461 is 1642333612.

2163332461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2163332461 - 2¹³ = 2163324269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163332411) 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, 813795 + ... + 816448.

It is an arithmetic number, because the mean of its divisors is an integer number (541241008).

Almost surely, 2^2163332461 is an apocalyptic number.

It is an amenable number.

2163332461 is a deficient number, since it is larger than the sum of its proper divisors (1631571).

2163332461 is a wasteful number, since it uses less digits than its factorization.

2163332461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631570.

The product of its digits is 15552, while the sum is 31.

The square root of 2163332461 is about 46511.6379092373. The cubic root of 2163332461 is about 1293.3252474002.

The spelling of 2163332461 in words is "two billion, one hundred sixty-three million, three hundred thirty-two thousand, four hundred sixty-one".