6916207540 has 36 divisors (see below), whose sum is σ = 15964441668. Its totient is φ = 2514983680.

The previous prime is 6916207513. The next prime is 6916207541. The reversal of 6916207540 is 457026196.

It can be written as a sum of positive squares in 2 ways, for example, as 1932129936 + 4984077604 = 43956^2 + 70598^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6916207493 and 6916207502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6916207541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1426549 + ... + 1431388.

It is an arithmetic number, because the mean of its divisors is an integer number (443456713).

Almost surely, 2^6916207540 is an apocalyptic number.

It is an amenable number.

6916207540 is an abundant number, since it is smaller than the sum of its proper divisors (9048234128).

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

6916207540 is a wasteful number, since it uses less digits than its factorization.

6916207540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857968 (or 2857955 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 6916207540 is about 83163.7393339188. The cubic root of 6916207540 is about 1905.2677032550.

The spelling of 6916207540 in words is "six billion, nine hundred sixteen million, two hundred seven thousand, five hundred forty".