2658841216 has 64 divisors (see below), whose sum is σ = 5540166720. Its totient is φ = 1268641792.

The previous prime is 2658841153. The next prime is 2658841219. The reversal of 2658841216 is 6121488562.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2658841216² = 14138873223800717312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2658841219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1745031 + ... + 1746553.

It is an arithmetic number, because the mean of its divisors is an integer number (86565105).

Almost surely, 2^2658841216 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 2658841216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2770083360).

2658841216 is an abundant number, since it is smaller than the sum of its proper divisors (2881325504).

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

2658841216 is a wasteful number, since it uses less digits than its factorization.

2658841216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153 (or 2141 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 2658841216 is about 51563.9526801427. The cubic root of 2658841216 is about 1385.3647535523.

The spelling of 2658841216 in words is "two billion, six hundred fifty-eight million, eight hundred forty-one thousand, two hundred sixteen".