2567966898 has 64 divisors (see below), whose sum is σ = 6009615360. Its totient is φ = 716385600.

The previous prime is 2567966887. The next prime is 2567966903. The reversal of 2567966898 is 8986697652.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352513 + ... + 359723.

It is an arithmetic number, because the mean of its divisors is an integer number (93900240).

Almost surely, 2^2567966898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2567966898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3004807680).

2567966898 is an abundant number, since it is smaller than the sum of its proper divisors (3441648462).

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

2567966898 is a wasteful number, since it uses less digits than its factorization.

2567966898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7423.

The product of its digits is 78382080, while the sum is 66.

The square root of 2567966898 is about 50675.1112282943. Note that the first 3 decimals coincide. The cubic root of 2567966898 is about 1369.3983715302.

The spelling of 2567966898 in words is "two billion, five hundred sixty-seven million, nine hundred sixty-six thousand, eight hundred ninety-eight".