6117318540 has 72 divisors (see below), whose sum is σ = 18658484208. Its totient is φ = 1622263680.

The previous prime is 6117318499. The next prime is 6117318547. The reversal of 6117318540 is 458137116.

6117318540 is a `hidden beast` number, since 611 + 7 + 31 + 8 + 5 + 4 + 0 = 666.

It is a super-2 number, since 2×6117318540² = 74843172239655463200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6117318495 and 6117318504.

It is not an unprimeable number, because it can be changed into a prime (6117318547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61302 + ... + 126461.

It is an arithmetic number, because the mean of its divisors is an integer number (259145614).

Almost surely, 2^6117318540 is an apocalyptic number.

6117318540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6117318540 is an abundant number, since it is smaller than the sum of its proper divisors (12541165668).

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

6117318540 is a wasteful number, since it uses less digits than its factorization.

6117318540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187959 (or 187954 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 6117318540 is about 78213.2887685974. The cubic root of 6117318540 is about 1828.8876694550.

The spelling of 6117318540 in words is "six billion, one hundred seventeen million, three hundred eighteen thousand, five hundred forty".