6916257538 has 16 divisors (see below), whose sum is σ = 10527390720. Its totient is φ = 3407191200.

The previous prime is 6916257533. The next prime is 6916257539. The reversal of 6916257538 is 8357526196.

It is not an unprimeable number, because it can be changed into a prime (6916257533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213343 + ... + 243613.

It is an arithmetic number, because the mean of its divisors is an integer number (657961920).

Almost surely, 2^6916257538 is an apocalyptic number.

6916257538 is a deficient number, since it is larger than the sum of its proper divisors (3611133182).

6916257538 is a wasteful number, since it uses less digits than its factorization.

6916257538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31953.

The product of its digits is 2721600, while the sum is 52.

The square root of 6916257538 is about 83164.0399331346. The cubic root of 6916257538 is about 1905.2722943716.

The spelling of 6916257538 in words is "six billion, nine hundred sixteen million, two hundred fifty-seven thousand, five hundred thirty-eight".