2081158000 has 40 divisors (see below), whose sum is σ = 5032244880. Its totient is φ = 832462400.

The previous prime is 2081157997. The next prime is 2081158031. The reversal of 2081158000 is 8511802.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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, 518290 + ... + 522289.

It is an arithmetic number, because the mean of its divisors is an integer number (125806122).

Almost surely, 2^2081158000 is an apocalyptic number.

2081158000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2081158000 is an abundant number, since it is smaller than the sum of its proper divisors (2951086880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2081158000 is a wasteful number, since it uses less digits than its factorization.

2081158000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040602 (or 1040586 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 2081158000 is about 45619.7106523047. The cubic root of 2081158000 is about 1276.7377049263.

Adding to 2081158000 its reverse (8511802), we get a palindrome (2089669802).

The spelling of 2081158000 in words is "two billion, eighty-one million, one hundred fifty-eight thousand".