168357311155 has 32 divisors (see below), whose sum is σ = 227553251328. Its totient is φ = 118466582400.

The previous prime is 168357311149. The next prime is 168357311159. The reversal of 168357311155 is 551113753861.

168357311155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168357311155 - 2⁷ = 168357311027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168357311159) by changing a digit.

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, 11871649 + ... + 11885821.

It is an arithmetic number, because the mean of its divisors is an integer number (7111039104).

Almost surely, 2^168357311155 is an apocalyptic number.

168357311155 is a deficient number, since it is larger than the sum of its proper divisors (59195940173).

168357311155 is a wasteful number, since it uses less digits than its factorization.

168357311155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21187.

The product of its digits is 378000, while the sum is 46.

The spelling of 168357311155 in words is "one hundred sixty-eight billion, three hundred fifty-seven million, three hundred eleven thousand, one hundred fifty-five".