168450270 has 64 divisors (see below), whose sum is σ = 429606720. Its totient is φ = 42190848.

The previous prime is 168450223. The next prime is 168450281. The reversal of 168450270 is 72054861.

168450270 = T₂₉₉₉ + T₃₀₀₀ + ... + T₃₀₃₅.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29574 + ... + 34806.

It is an arithmetic number, because the mean of its divisors is an integer number (6712605).

Almost surely, 2^168450270 is an apocalyptic number.

168450270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 168450270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214803360).

168450270 is an abundant number, since it is smaller than the sum of its proper divisors (261156450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168450270 is a wasteful number, since it uses less digits than its factorization.

168450270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 168450270 is about 12978.8393163642. The cubic root of 168450270 is about 552.2773561538.

The spelling of 168450270 in words is "one hundred sixty-eight million, four hundred fifty thousand, two hundred seventy".