2158007968 has 24 divisors (see below), whose sum is σ = 4299771168. Its totient is φ = 1066002624.

The previous prime is 2158007947. The next prime is 2158007977. The reversal of 2158007968 is 8697008512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403596 + ... + 408907.

It is an arithmetic number, because the mean of its divisors is an integer number (179157132).

Almost surely, 2^2158007968 is an apocalyptic number.

It is an amenable number.

2158007968 is a deficient number, since it is larger than the sum of its proper divisors (2141763200).

2158007968 is an equidigital number, since it uses as much as digits as its factorization.

2158007968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812596 (or 812588 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 2158007968 is about 46454.3643590137. The cubic root of 2158007968 is about 1292.2633119040.

The spelling of 2158007968 in words is "two billion, one hundred fifty-eight million, seven thousand, nine hundred sixty-eight".