616131336 has 64 divisors (see below), whose sum is σ = 1584360000. Its totient is φ = 199586816.

The previous prime is 616131331. The next prime is 616131343. The reversal of 616131336 is 633131616.

It is a super-2 number, since 2×616131336² = 759235646402289792, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (616131331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123580 + ... + 128468.

It is an arithmetic number, because the mean of its divisors is an integer number (24755625).

Almost surely, 2^616131336 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 616131336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792180000).

616131336 is an abundant number, since it is smaller than the sum of its proper divisors (968228664).

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

616131336 is a wasteful number, since it uses less digits than its factorization.

616131336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046 (or 5042 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 616131336 is about 24821.9929900884. The cubic root of 616131336 is about 850.9246390165.

The spelling of 616131336 in words is "six hundred sixteen million, one hundred thirty-one thousand, three hundred thirty-six".