616255001200 has 120 divisors (see below), whose sum is σ = 1491817191200. Its totient is φ = 244632960000.

The previous prime is 616255001191. The next prime is 616255001249. The reversal of 616255001200 is 2100552616.

616255001200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 31591450 + ... + 31610950.

Almost surely, 2^616255001200 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 616255001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745908595600).

616255001200 is an abundant number, since it is smaller than the sum of its proper divisors (875562190000).

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

616255001200 is a wasteful number, since it uses less digits than its factorization.

616255001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20115 (or 20104 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 616255001200 its reverse (2100552616), we get a palindrome (618355553816).

The spelling of 616255001200 in words is "six hundred sixteen billion, two hundred fifty-five million, one thousand, two hundred".