2054991158 has 24 divisors (see below), whose sum is σ = 3393367320. Its totient is φ = 932659200.

The previous prime is 2054991157. The next prime is 2054991167. The reversal of 2054991158 is 8511994502.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054991157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161078 + ... + 173366.

It is an arithmetic number, because the mean of its divisors is an integer number (141390305).

Almost surely, 2^2054991158 is an apocalyptic number.

2054991158 is a deficient number, since it is larger than the sum of its proper divisors (1338376162).

2054991158 is a wasteful number, since it uses less digits than its factorization.

2054991158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13004 (or 12993 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 44.

The square root of 2054991158 is about 45332.0103017724. The cubic root of 2054991158 is about 1271.3642227573.

The spelling of 2054991158 in words is "two billion, fifty-four million, nine hundred ninety-one thousand, one hundred fifty-eight".