611800068 has 48 divisors (see below), whose sum is σ = 1563319296. Its totient is φ = 184678560.

The previous prime is 611800051. The next prime is 611800099. The reversal of 611800068 is 860008116.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25905 + ... + 43527.

It is an arithmetic number, because the mean of its divisors is an integer number (32569152).

Almost surely, 2^611800068 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 611800068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781659648).

611800068 is an abundant number, since it is smaller than the sum of its proper divisors (951519228).

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

611800068 is a wasteful number, since it uses less digits than its factorization.

611800068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17904 (or 17902 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 611800068 is about 24734.5925375778. The cubic root of 611800068 is about 848.9260105804.

The spelling of 611800068 in words is "six hundred eleven million, eight hundred thousand, sixty-eight".