616611100100 has 72 divisors (see below), whose sum is σ = 1363547727360. Its totient is φ = 241945425280.

The previous prime is 616611100031. The next prime is 616611100139. The reversal of 616611100100 is 1001116616.

It is an unprimeable number.

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, 49405661 + ... + 49418139.

It is an arithmetic number, because the mean of its divisors is an integer number (18938162880).

Almost surely, 2^616611100100 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 616611100100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681773863680).

616611100100 is an abundant number, since it is smaller than the sum of its proper divisors (746936627260).

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

616611100100 is a wasteful number, since it uses less digits than its factorization.

616611100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21869 (or 21862 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 616611100100 its reverse (1001116616), we get a palindrome (617612216716).

The spelling of 616611100100 in words is "six hundred sixteen billion, six hundred eleven million, one hundred thousand, one hundred".