2658123552 has 96 divisors (see below), whose sum is σ = 7985682432. Its totient is φ = 758386944.

The previous prime is 2658123509. The next prime is 2658123563. The reversal of 2658123552 is 2553218562.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 2658123552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553353 + ... + 558135.

It is an arithmetic number, because the mean of its divisors is an integer number (83184192).

Almost surely, 2^2658123552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2658123552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3992841216).

2658123552 is an abundant number, since it is smaller than the sum of its proper divisors (5327558880).

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

2658123552 is a wasteful number, since it uses less digits than its factorization.

2658123552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630 (or 5622 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 2658123552 is about 51556.9932404907. The cubic root of 2658123552 is about 1385.2400982614.

The spelling of 2658123552 in words is "two billion, six hundred fifty-eight million, one hundred twenty-three thousand, five hundred fifty-two".