6201681836 has 12 divisors (see below), whose sum is σ = 12403363728. Its totient is φ = 2657863632.

The previous prime is 6201681817. The next prime is 6201681859. The reversal of 6201681836 is 6381861026.

6201681836 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6201681793 and 6201681802.

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 3 ways as a sum of consecutive naturals, for example, 110744291 + ... + 110744346.

It is an arithmetic number, because the mean of its divisors is an integer number (1033613644).

Almost surely, 2^6201681836 is an apocalyptic number.

It is an amenable number.

6201681836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6201681836 is a wasteful number, since it uses less digits than its factorization.

6201681836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221488648 (or 221488646 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 6201681836 is about 78750.7576852439. The cubic root of 6201681836 is about 1837.2566470944.

The spelling of 6201681836 in words is "six billion, two hundred one million, six hundred eighty-one thousand, eight hundred thirty-six".