63556160166111 has 4 divisors (see below), whose sum is σ = 84741546888152. Its totient is φ = 42370773444072.

The previous prime is 63556160166077. The next prime is 63556160166151. The reversal of 63556160166111 is 11166106165536.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 63556160166111 - 2⁶ = 63556160166047 is a prime.

It is a super-2 number, since 2×63556160166111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63556160166151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10592693361016 + ... + 10592693361021.

It is an arithmetic number, because the mean of its divisors is an integer number (21185386722038).

Almost surely, 2^{63556160166111} is an apocalyptic number.

63556160166111 is a deficient number, since it is larger than the sum of its proper divisors (21185386722041).

63556160166111 is a wasteful number, since it uses less digits than its factorization.

63556160166111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21185386722040.

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 63556160166111 in words is "sixty-three trillion, five hundred fifty-six billion, one hundred sixty million, one hundred sixty-six thousand, one hundred eleven".