328683143865 has 16 divisors (see below), whose sum is σ = 553571611200. Its totient is φ = 166071483072.

The previous prime is 328683143861. The next prime is 328683143869. The reversal of 328683143865 is 568341386823.

It is an interprime number because it is at equal distance from previous prime (328683143861) and next prime (328683143869).

It is not a de Polignac number, because 328683143865 - 2² = 328683143861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (328683143861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576636810 + ... + 576637379.

It is an arithmetic number, because the mean of its divisors is an integer number (34598225700).

Almost surely, 2^328683143865 is an apocalyptic number.

It is an amenable number.

328683143865 is a deficient number, since it is larger than the sum of its proper divisors (224888467335).

328683143865 is a wasteful number, since it uses less digits than its factorization.

328683143865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153274216.

The product of its digits is 19906560, while the sum is 57.

The spelling of 328683143865 in words is "three hundred twenty-eight billion, six hundred eighty-three million, one hundred forty-three thousand, eight hundred sixty-five".