168427963 has 4 divisors (see below), whose sum is σ = 183739608. Its totient is φ = 153116320.

The previous prime is 168427957. The next prime is 168427997. The reversal of 168427963 is 369724861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 369724861 = 11 ⋅33611351.

It is a cyclic number.

It is not a de Polignac number, because 168427963 - 2⁹ = 168427451 is a prime.

It is a super-3 number, since 3×168427963³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168427933) 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, 7655806 + ... + 7655827.

It is an arithmetic number, because the mean of its divisors is an integer number (45934902).

Almost surely, 2^168427963 is an apocalyptic number.

168427963 is a deficient number, since it is larger than the sum of its proper divisors (15311645).

168427963 is a wasteful number, since it uses less digits than its factorization.

168427963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15311644.

The product of its digits is 435456, while the sum is 46.

The square root of 168427963 is about 12977.9799275542. The cubic root of 168427963 is about 552.2529766642.

The spelling of 168427963 in words is "one hundred sixty-eight million, four hundred twenty-seven thousand, nine hundred sixty-three".