85661033163 has 16 divisors (see below), whose sum is σ = 114754452000. Its totient is φ = 56837664000.

The previous prime is 85661033153. The next prime is 85661033167. The reversal of 85661033163 is 36133016658.

It is a happy number.

It is not a de Polignac number, because 85661033163 - 2⁶ = 85661033099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85661033167) 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, 2040913 + ... + 2082461.

It is an arithmetic number, because the mean of its divisors is an integer number (7172153250).

Almost surely, 2^85661033163 is an apocalyptic number.

85661033163 is a deficient number, since it is larger than the sum of its proper divisors (29093418837).

85661033163 is a wasteful number, since it uses less digits than its factorization.

85661033163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44782.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 85661033163 in words is "eighty-five billion, six hundred sixty-one million, thirty-three thousand, one hundred sixty-three".