6567121140 has 48 divisors (see below), whose sum is σ = 18430675200. Its totient is φ = 1747162240.

The previous prime is 6567121139. The next prime is 6567121153. The reversal of 6567121140 is 411217656.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 101115 + ... + 152834.

It is an arithmetic number, because the mean of its divisors is an integer number (383972400).

Almost surely, 2^6567121140 is an apocalyptic number.

6567121140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6567121140 is an abundant number, since it is smaller than the sum of its proper divisors (11863554060).

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

6567121140 is a wasteful number, since it uses less digits than its factorization.

6567121140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254392 (or 254390 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 6567121140 is about 81037.7760060085. The cubic root of 6567121140 is about 1872.6574492843.

Adding to 6567121140 its reverse (411217656), we get a palindrome (6978338796).

The spelling of 6567121140 in words is "six billion, five hundred sixty-seven million, one hundred twenty-one thousand, one hundred forty".