168355 has 8 divisors (see below), whose sum is σ = 220464. Its totient is φ = 122400.

The previous prime is 168353. The next prime is 168391. The reversal of 168355 is 553861.

168355 = T₂₅₇ + T₂₅₈ + ... + T₂₆₁.

168355 = 26² + 27² + ... + 80².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 168355 - 2¹ = 168353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1476 + ... + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (27558).

2¹⁶⁸³⁵⁵ is an apocalyptic number.

168355 is a deficient number, since it is larger than the sum of its proper divisors (52109).

168355 is a wasteful number, since it uses less digits than its factorization.

168355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077.

The product of its digits is 3600, while the sum is 28.

The square root of 168355 is about 410.3108577652. The cubic root of 168355 is about 55.2173219809.

The spelling of 168355 in words is "one hundred sixty-eight thousand, three hundred fifty-five".