4081635806061 has 16 divisors (see below), whose sum is σ = 5937177899520. Its totient is φ = 2473613215920.

The previous prime is 4081635806057. The next prime is 4081635806069. The reversal of 4081635806061 is 1606085361804.

It is not a de Polignac number, because 4081635806061 - 2² = 4081635806057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4081635806061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081635806069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1847001 + ... + 3402158.

It is an arithmetic number, because the mean of its divisors is an integer number (371073618720).

Almost surely, 2^{4081635806061} is an apocalyptic number.

It is an amenable number.

4081635806061 is a deficient number, since it is larger than the sum of its proper divisors (1855542093459).

4081635806061 is a wasteful number, since it uses less digits than its factorization.

4081635806061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272736.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 4081635806061 in words is "four trillion, eighty-one billion, six hundred thirty-five million, eight hundred six thousand, sixty-one".