2158382667 has 8 divisors (see below), whose sum is σ = 3288964096. Its totient is φ = 1233361512.

The previous prime is 2158382659. The next prime is 2158382669. The reversal of 2158382667 is 7662838512.

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

It is not a de Polignac number, because 2158382667 - 2³ = 2158382659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2158382669) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 51390043 + ... + 51390084.

It is an arithmetic number, because the mean of its divisors is an integer number (411120512).

Almost surely, 2^2158382667 is an apocalyptic number.

2158382667 is a deficient number, since it is larger than the sum of its proper divisors (1130581429).

2158382667 is a wasteful number, since it uses less digits than its factorization.

2158382667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102780137.

The product of its digits is 967680, while the sum is 48.

The square root of 2158382667 is about 46458.3971634838. The cubic root of 2158382667 is about 1292.3381002823.

The spelling of 2158382667 in words is "two billion, one hundred fifty-eight million, three hundred eighty-two thousand, six hundred sixty-seven".