168055563 has 16 divisors (see below), whose sum is σ = 244620320. Its totient is φ = 102000384.

The previous prime is 168055561. The next prime is 168055583. The reversal of 168055563 is 365550861.

It is not a de Polignac number, because 168055563 - 2¹ = 168055561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168055561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26668 + ... + 32361.

It is an arithmetic number, because the mean of its divisors is an integer number (15288770).

Almost surely, 2^168055563 is an apocalyptic number.

168055563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

168055563 is a deficient number, since it is larger than the sum of its proper divisors (76564757).

168055563 is a wasteful number, since it uses less digits than its factorization.

168055563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59118.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 168055563 is about 12963.6246088816. The cubic root of 168055563 is about 551.8456595649.

The spelling of 168055563 in words is "one hundred sixty-eight million, fifty-five thousand, five hundred sixty-three".