168453726 has 16 divisors (see below), whose sum is σ = 385037184. Its totient is φ = 48129624.

The previous prime is 168453713. The next prime is 168453737. The reversal of 168453726 is 627354861.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 4010803 = 168453726 / (1 + 6 + 8 + 4 + 5 + 3 + 7 + 2 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2005360 + ... + 2005443.

It is an arithmetic number, because the mean of its divisors is an integer number (24064824).

Almost surely, 2^168453726 is an apocalyptic number.

168453726 is an abundant number, since it is smaller than the sum of its proper divisors (216583458).

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

168453726 is a wasteful number, since it uses less digits than its factorization.

168453726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010815.

The product of its digits is 241920, while the sum is 42.

The square root of 168453726 is about 12978.9724554758. The cubic root of 168453726 is about 552.2811330499.

The spelling of 168453726 in words is "one hundred sixty-eight million, four hundred fifty-three thousand, seven hundred twenty-six".