168863053 has 4 divisors (see below), whose sum is σ = 171000640. Its totient is φ = 166725468.

The previous prime is 168863017. The next prime is 168863069. The reversal of 168863053 is 350368861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168863053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168862997 and 168863015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168863003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068675 + ... + 1068832.

It is an arithmetic number, because the mean of its divisors is an integer number (42750160).

Almost surely, 2^168863053 is an apocalyptic number.

It is an amenable number.

168863053 is a deficient number, since it is larger than the sum of its proper divisors (2137587).

168863053 is an equidigital number, since it uses as much as digits as its factorization.

168863053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137586.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 168863053 is about 12994.7317402092. The cubic root of 168863053 is about 552.7281019336.

The spelling of 168863053 in words is "one hundred sixty-eight million, eight hundred sixty-three thousand, fifty-three".