168409052 has 24 divisors (see below), whose sum is σ = 345923424. Its totient is φ = 70224192.

The previous prime is 168409049. The next prime is 168409057. The reversal of 168409052 is 250904861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168409057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80243 + ... + 82314.

It is an arithmetic number, because the mean of its divisors is an integer number (14413476).

Almost surely, 2^168409052 is an apocalyptic number.

It is an amenable number.

168409052 is an abundant number, since it is smaller than the sum of its proper divisors (177514372).

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

168409052 is a wasteful number, since it uses less digits than its factorization.

168409052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162605 (or 162603 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 168409052 is about 12977.2513268411. The cubic root of 168409052 is about 552.2323070027.

The spelling of 168409052 in words is "one hundred sixty-eight million, four hundred nine thousand, fifty-two".