6261123568 has 120 divisors (see below), whose sum is σ = 14770423680. Its totient is φ = 2560481280.

The previous prime is 6261123559. The next prime is 6261123581. The reversal of 6261123568 is 8653211626.

It is a self number, because there is not a number n which added to its sum of digits gives 6261123568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1772428 + ... + 1775956.

It is an arithmetic number, because the mean of its divisors is an integer number (123086864).

Almost surely, 2^6261123568 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 6261123568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7385211840).

6261123568 is an abundant number, since it is smaller than the sum of its proper divisors (8509300112).

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

6261123568 is a wasteful number, since it uses less digits than its factorization.

6261123568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655 (or 3642 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 6261123568 is about 79127.2618507680. The cubic root of 6261123568 is about 1843.1078903197.

The spelling of 6261123568 in words is "six billion, two hundred sixty-one million, one hundred twenty-three thousand, five hundred sixty-eight".