606561111400 has 96 divisors (see below), whose sum is σ = 1417240540800. Its totient is φ = 241424153600.

The previous prime is 606561111391. The next prime is 606561111407. The reversal of 606561111400 is 4111165606.

It is not an unprimeable number, because it can be changed into a prime (606561111407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74229315 + ... + 74237485.

It is an arithmetic number, because the mean of its divisors is an integer number (14762922300).

Almost surely, 2^606561111400 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 606561111400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708620270400).

606561111400 is an abundant number, since it is smaller than the sum of its proper divisors (810679429400).

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

606561111400 is a wasteful number, since it uses less digits than its factorization.

606561111400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9979 (or 9970 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 606561111400 in words is "six hundred six billion, five hundred sixty-one million, one hundred eleven thousand, four hundred".