6116607640 has 128 divisors (see below), whose sum is σ = 16605933120. Its totient is φ = 1997568000.

The previous prime is 6116607611. The next prime is 6116607643. The reversal of 6116607640 is 467066116.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 6116607640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6116607643) 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 31 ways as a sum of consecutive naturals, for example, 197190 + ... + 226090.

Almost surely, 2^6116607640 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 6116607640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8302966560).

6116607640 is an abundant number, since it is smaller than the sum of its proper divisors (10489325480).

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

6116607640 is a wasteful number, since it uses less digits than its factorization.

6116607640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28973 (or 28969 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 6116607640 is about 78208.7440124185. The cubic root of 6116607640 is about 1828.8168210594.

It can be divided in two parts, 61166076 and 40, that added together give a palindrome (61166116).

The spelling of 6116607640 in words is "six billion, one hundred sixteen million, six hundred seven thousand, six hundred forty".