168364747 has 4 divisors (see below), whose sum is σ = 168850296. Its totient is φ = 167879200.

The previous prime is 168364739. The next prime is 168364783. The reversal of 168364747 is 747463861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168364747 - 2³ = 168364739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168364697 and 168364706.

It is not an unprimeable number, because it can be changed into a prime (168364717) 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, 242254 + ... + 242947.

It is an arithmetic number, because the mean of its divisors is an integer number (42212574).

Almost surely, 2^168364747 is an apocalyptic number.

168364747 is a deficient number, since it is larger than the sum of its proper divisors (485549).

168364747 is an equidigital number, since it uses as much as digits as its factorization.

168364747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485548.

The product of its digits is 677376, while the sum is 46.

The square root of 168364747 is about 12975.5441889733. The cubic root of 168364747 is about 552.1838757220.

It can be divided in two parts, 1683 and 64747, that added together give a triangular number (66430 = T₃₆₄).

The spelling of 168364747 in words is "one hundred sixty-eight million, three hundred sixty-four thousand, seven hundred forty-seven".