2556316154 has 16 divisors (see below), whose sum is σ = 4414246848. Its totient is φ = 1087566432.

The previous prime is 2556316153. The next prime is 2556316201. The reversal of 2556316154 is 4516136552.

It is not an unprimeable number, because it can be changed into a prime (2556316153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664484 + ... + 668319.

It is an arithmetic number, because the mean of its divisors is an integer number (275890428).

Almost surely, 2^2556316154 is an apocalyptic number.

2556316154 is a deficient number, since it is larger than the sum of its proper divisors (1857930694).

2556316154 is a wasteful number, since it uses less digits than its factorization.

2556316154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332949.

The product of its digits is 108000, while the sum is 38.

The square root of 2556316154 is about 50560.0252571139. The cubic root of 2556316154 is about 1367.3242665046.

The spelling of 2556316154 in words is "two billion, five hundred fifty-six million, three hundred sixteen thousand, one hundred fifty-four".