3158640655 has 8 divisors (see below), whose sum is σ = 3989862000. Its totient is φ = 2393917056.

The previous prime is 3158640649. The next prime is 3158640659. The reversal of 3158640655 is 5560468513.

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 3158640655 - 2²¹ = 3156543503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158640659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16624330 + ... + 16624519.

It is an arithmetic number, because the mean of its divisors is an integer number (498732750).

Almost surely, 2^3158640655 is an apocalyptic number.

3158640655 is a deficient number, since it is larger than the sum of its proper divisors (831221345).

3158640655 is a wasteful number, since it uses less digits than its factorization.

3158640655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33248873.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 3158640655 is about 56201.7851584805. The cubic root of 3158640655 is about 1467.2363356675.

The spelling of 3158640655 in words is "three billion, one hundred fifty-eight million, six hundred forty thousand, six hundred fifty-five".