168652813 has 8 divisors (see below), whose sum is σ = 201126528. Its totient is φ = 138274224.

The previous prime is 168652811. The next prime is 168652819. The reversal of 168652813 is 318256861.

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 168652813 - 2¹ = 168652811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168652811) 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 7 ways as a sum of consecutive naturals, for example, 523606 + ... + 523927.

It is an arithmetic number, because the mean of its divisors is an integer number (25140816).

Almost surely, 2^168652813 is an apocalyptic number.

It is an amenable number.

168652813 is a deficient number, since it is larger than the sum of its proper divisors (32473715).

168652813 is a wasteful number, since it uses less digits than its factorization.

168652813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047563.

The product of its digits is 69120, while the sum is 40.

The square root of 168652813 is about 12986.6397886443. The cubic root of 168652813 is about 552.4986185070.

The spelling of 168652813 in words is "one hundred sixty-eight million, six hundred fifty-two thousand, eight hundred thirteen".