8169207055 has 32 divisors (see below), whose sum is σ = 10252247040. Its totient is φ = 6241173120.

The previous prime is 8169207041. The next prime is 8169207061. The reversal of 8169207055 is 5507029618.

It is not a de Polignac number, because 8169207055 - 2¹⁵ = 8169174287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10072600 + ... + 10073410.

It is an arithmetic number, because the mean of its divisors is an integer number (320382720).

Almost surely, 2^8169207055 is an apocalyptic number.

8169207055 is a deficient number, since it is larger than the sum of its proper divisors (2083039985).

8169207055 is a wasteful number, since it uses less digits than its factorization.

8169207055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 8169207055 is about 90383.6658639159. The cubic root of 8169207055 is about 2014.0023265614.

The spelling of 8169207055 in words is "eight billion, one hundred sixty-nine million, two hundred seven thousand, fifty-five".