168214845 has 32 divisors (see below), whose sum is σ = 275415552. Its totient is φ = 87639552.

The previous prime is 168214831. The next prime is 168214853. The reversal of 168214845 is 548412861.

It is not a de Polignac number, because 168214845 - 2⁸ = 168214589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363084 + ... + 363546.

It is an arithmetic number, because the mean of its divisors is an integer number (8606736).

Almost surely, 2^168214845 is an apocalyptic number.

168214845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168214845 is a deficient number, since it is larger than the sum of its proper divisors (107200707).

168214845 is a wasteful number, since it uses less digits than its factorization.

168214845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981.

The product of its digits is 61440, while the sum is 39.

The square root of 168214845 is about 12969.7665746150. The cubic root of 168214845 is about 552.0199497883.

The spelling of 168214845 in words is "one hundred sixty-eight million, two hundred fourteen thousand, eight hundred forty-five".