3163642261 has 8 divisors (see below), whose sum is σ = 3407474840. Its totient is φ = 2919877632.

The previous prime is 3163642259. The next prime is 3163642267. The reversal of 3163642261 is 1622463613.

3163642261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 214066161 + 2949576100 = 14631^2 + 54310^2 .

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 3163642261 - 2¹ = 3163642259 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 (3163642267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121705 + ... + 145393.

It is an arithmetic number, because the mean of its divisors is an integer number (425934355).

Almost surely, 2^3163642261 is an apocalyptic number.

It is an amenable number.

3163642261 is a deficient number, since it is larger than the sum of its proper divisors (243832579).

3163642261 is a wasteful number, since it uses less digits than its factorization.

3163642261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33975.

The product of its digits is 31104, while the sum is 34.

The square root of 3163642261 is about 56246.2644181816. The cubic root of 3163642261 is about 1468.0103677927.

The spelling of 3163642261 in words is "three billion, one hundred sixty-three million, six hundred forty-two thousand, two hundred sixty-one".