128163326 has 16 divisors (see below), whose sum is σ = 196395408. Its totient is φ = 62712000.

The previous prime is 128163317. The next prime is 128163367. The reversal of 128163326 is 623361821.

It is a junction number, because it is equal to n+sod(n) for n = 128163292 and 128163301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15776 + ... + 22476.

It is an arithmetic number, because the mean of its divisors is an integer number (12274713).

Almost surely, 2^128163326 is an apocalyptic number.

128163326 is a deficient number, since it is larger than the sum of its proper divisors (68232082).

128163326 is a wasteful number, since it uses less digits than its factorization.

128163326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6907.

The product of its digits is 10368, while the sum is 32.

The square root of 128163326 is about 11320.9242555544. The cubic root of 128163326 is about 504.1826807957.

The spelling of 128163326 in words is "one hundred twenty-eight million, one hundred sixty-three thousand, three hundred twenty-six".