3168947137 has 4 divisors (see below), whose sum is σ = 3192078276. Its totient is φ = 3145816000.

The previous prime is 3168947099. The next prime is 3168947149. The reversal of 3168947137 is 7317498613.

3168947137 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 an emirpimes, since its reverse is a distinct semiprime: 7317498613 = 7433 ⋅984461.

It can be written as a sum of positive squares in 2 ways, for example, as 1822350721 + 1346596416 = 42689^2 + 36696^2 .

It is a cyclic number.

It is not a de Polignac number, because 3168947137 - 2³¹ = 1021463489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3168941137) 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, 11565364 + ... + 11565637.

It is an arithmetic number, because the mean of its divisors is an integer number (798019569).

Almost surely, 2^3168947137 is an apocalyptic number.

It is an amenable number.

3168947137 is a deficient number, since it is larger than the sum of its proper divisors (23131139).

3168947137 is a wasteful number, since it uses less digits than its factorization.

3168947137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23131138.

The product of its digits is 762048, while the sum is 49.

The square root of 3168947137 is about 56293.4022510631. The cubic root of 3168947137 is about 1468.8304419935.

The spelling of 3168947137 in words is "three billion, one hundred sixty-eight million, nine hundred forty-seven thousand, one hundred thirty-seven".