616504601100 has 144 divisors (see below), whose sum is σ = 1804528252800. Its totient is φ = 162496965120.

The previous prime is 616504601081. The next prime is 616504601113. The reversal of 616504601100 is 1106405616.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9433336 + ... + 9498464.

It is an arithmetic number, because the mean of its divisors is an integer number (12531446200).

Almost surely, 2^616504601100 is an apocalyptic number.

616504601100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616504601100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902264126400).

616504601100 is an abundant number, since it is smaller than the sum of its proper divisors (1188023651700).

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

616504601100 is a wasteful number, since it uses less digits than its factorization.

616504601100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65512 (or 65505 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 616504601100 in words is "six hundred sixteen billion, five hundred four million, six hundred one thousand, one hundred".