2158658552 has 64 divisors (see below), whose sum is σ = 4322515200. Its totient is φ = 1007769600.

The previous prime is 2158658539. The next prime is 2158658573. The reversal of 2158658552 is 2558568512.

It is a junction number, because it is equal to n+sod(n) for n = 2158658497 and 2158658506.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3740888 + ... + 3741464.

It is an arithmetic number, because the mean of its divisors is an integer number (67539300).

Almost surely, 2^2158658552 is an apocalyptic number.

It is an amenable number.

2158658552 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2158658552 is a wasteful number, since it uses less digits than its factorization.

2158658552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 912 counting only the distinct ones).

The product of its digits is 960000, while the sum is 47.

The square root of 2158658552 is about 46461.3662304500. The cubic root of 2158658552 is about 1292.3931602604.

The spelling of 2158658552 in words is "two billion, one hundred fifty-eight million, six hundred fifty-eight thousand, five hundred fifty-two".