168274153 has 8 divisors (see below), whose sum is σ = 174806280. Its totient is φ = 161790720.

The previous prime is 168274151. The next prime is 168274199. The reversal of 168274153 is 351472861.

It can be written as a sum of positive squares in 4 ways, for example, as 87759424 + 80514729 = 9368^2 + 8973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168274153 - 2¹ = 168274151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168274151) by changing a digit.

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, 5050 + ... + 19027.

It is an arithmetic number, because the mean of its divisors is an integer number (21850785).

Almost surely, 2^168274153 is an apocalyptic number.

It is an amenable number.

168274153 is a deficient number, since it is larger than the sum of its proper divisors (6532127).

168274153 is a wasteful number, since it uses less digits than its factorization.

168274153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24347.

The product of its digits is 40320, while the sum is 37.

The square root of 168274153 is about 12972.0527673919. The cubic root of 168274153 is about 552.0848179282.

The spelling of 168274153 in words is "one hundred sixty-eight million, two hundred seventy-four thousand, one hundred fifty-three".