2156318054 has 8 divisors (see below), whose sum is σ = 3528520488. Its totient is φ = 980144560.

The previous prime is 2156318039. The next prime is 2156318071. The reversal of 2156318054 is 4508136512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49007207 + ... + 49007250.

It is an arithmetic number, because the mean of its divisors is an integer number (441065061).

Almost surely, 2^2156318054 is an apocalyptic number.

2156318054 is a deficient number, since it is larger than the sum of its proper divisors (1372202434).

2156318054 is a wasteful number, since it uses less digits than its factorization.

2156318054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98014470.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 2156318054 is about 46436.1718275742. The cubic root of 2156318054 is about 1291.9259044147.

The spelling of 2156318054 in words is "two billion, one hundred fifty-six million, three hundred eighteen thousand, fifty-four".