2148516858 has 8 divisors (see below), whose sum is σ = 4297033728. Its totient is φ = 716172284.

The previous prime is 2148516857. The next prime is 2148516859. The reversal of 2148516858 is 8586158412.

It is an interprime number because it is at equal distance from previous prime (2148516857) and next prime (2148516859).

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

2148516858 is an admirable number.

It is a super-2 number, since 2×2148516858² = 9232249378220384328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2148516857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179043066 + ... + 179043077.

It is an arithmetic number, because the mean of its divisors is an integer number (537129216).

Almost surely, 2^2148516858 is an apocalyptic number.

2148516858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2148516858 is a wasteful number, since it uses less digits than its factorization.

2148516858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358086148.

The product of its digits is 614400, while the sum is 48.

The square root of 2148516858 is about 46352.0965868859. The cubic root of 2148516858 is about 1290.3660315790.

The spelling of 2148516858 in words is "two billion, one hundred forty-eight million, five hundred sixteen thousand, eight hundred fifty-eight".