168005355 has 16 divisors (see below), whose sum is σ = 307209984. Its totient is φ = 76802400.

The previous prime is 168005329. The next prime is 168005377. The reversal of 168005355 is 553500861.

168005355 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 168005355 - 2⁶ = 168005291 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799921 + ... + 800130.

It is an arithmetic number, because the mean of its divisors is an integer number (19200624).

Almost surely, 2^168005355 is an apocalyptic number.

168005355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

168005355 is a deficient number, since it is larger than the sum of its proper divisors (139204629).

168005355 is a wasteful number, since it uses less digits than its factorization.

168005355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600066.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 168005355 is about 12961.6879687794. The cubic root of 168005355 is about 551.7906979278.

It can be divided in two parts, 16800 and 5355, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 168005355 in words is "one hundred sixty-eight million, five thousand, three hundred fifty-five".