6116545540 has 72 divisors (see below), whose sum is σ = 14958928152. Its totient is φ = 2094704640.

The previous prime is 6116545529. The next prime is 6116545571. The reversal of 6116545540 is 455456116.

It can be written as a sum of positive squares in 4 ways, for example, as 881733636 + 5234811904 = 29694^2 + 72352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6116545540.

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, 997524 + ... + 1003636.

It is an arithmetic number, because the mean of its divisors is an integer number (207762891).

Almost surely, 2^6116545540 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 6116545540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7479464076).

6116545540 is an abundant number, since it is smaller than the sum of its proper divisors (8842382612).

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

6116545540 is a wasteful number, since it uses less digits than its factorization.

6116545540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157 (or 7148 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 6116545540 is about 78208.3469969798. The cubic root of 6116545540 is about 1828.8106319038.

The spelling of 6116545540 in words is "six billion, one hundred sixteen million, five hundred forty-five thousand, five hundred forty".