2658890855 has 16 divisors (see below), whose sum is σ = 3285416160. Its totient is φ = 2064246912.

The previous prime is 2658890851. The next prime is 2658890869. The reversal of 2658890855 is 5580988562.

It is a cyclic number.

It is not a de Polignac number, because 2658890855 - 2² = 2658890851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2658890855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2658890851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53492 + ... + 90438.

It is an arithmetic number, because the mean of its divisors is an integer number (205338510).

Almost surely, 2^2658890855 is an apocalyptic number.

2658890855 is a deficient number, since it is larger than the sum of its proper divisors (626525305).

2658890855 is a wasteful number, since it uses less digits than its factorization.

2658890855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37378.

The product of its (nonzero) digits is 6912000, while the sum is 56.

The square root of 2658890855 is about 51564.4340122143. The cubic root of 2658890855 is about 1385.3733748134.

The spelling of 2658890855 in words is "two billion, six hundred fifty-eight million, eight hundred ninety thousand, eight hundred fifty-five".