3167648641 has 4 divisors (see below), whose sum is σ = 3353980932. Its totient is φ = 2981316352.

The previous prime is 3167648633. The next prime is 3167648719. The reversal of 3167648641 is 1468467613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1468467613 = 31 ⋅47369923.

It can be written as a sum of positive squares in 2 ways, for example, as 1877402241 + 1290246400 = 43329^2 + 35920^2 .

It is a cyclic number.

It is not a de Polignac number, because 3167648641 - 2³ = 3167648633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3167648591 and 3167648600.

It is not an unprimeable number, because it can be changed into a prime (3167628641) 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, 93166120 + ... + 93166153.

It is an arithmetic number, because the mean of its divisors is an integer number (838495233).

Almost surely, 2^3167648641 is an apocalyptic number.

It is an amenable number.

3167648641 is a deficient number, since it is larger than the sum of its proper divisors (186332291).

3167648641 is a wasteful number, since it uses less digits than its factorization.

3167648641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186332290.

The product of its digits is 580608, while the sum is 46.

The square root of 3167648641 is about 56281.8677817288. The cubic root of 3167648641 is about 1468.6297937512.

The spelling of 3167648641 in words is "three billion, one hundred sixty-seven million, six hundred forty-eight thousand, six hundred forty-one".