6216356140 has 36 divisors (see below), whose sum is σ = 13113814896. Its totient is φ = 2475266496.

The previous prime is 6216356123. The next prime is 6216356147. The reversal of 6216356140 is 416536126.

It is a junction number, because it is equal to n+sod(n) for n = 6216356096 and 6216356105.

It is not an unprimeable number, because it can be changed into a prime (6216356147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1045857 + ... + 1051783.

It is an arithmetic number, because the mean of its divisors is an integer number (364272636).

Almost surely, 2^6216356140 is an apocalyptic number.

It is an amenable number.

6216356140 is an abundant number, since it is smaller than the sum of its proper divisors (6897458756).

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

6216356140 is a wasteful number, since it uses less digits than its factorization.

6216356140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394 (or 6163 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6216356140 is about 78843.8719242022. The cubic root of 6216356140 is about 1838.7045998024.

The spelling of 6216356140 in words is "six billion, two hundred sixteen million, three hundred fifty-six thousand, one hundred forty".