158865864383 has 4 divisors (see below), whose sum is σ = 158872805688. Its totient is φ = 158858923080.

The previous prime is 158865864379. The next prime is 158865864389. The reversal of 158865864383 is 383468568851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158865864383 - 2² = 158865864379 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 (158865864389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3436208 + ... + 3482133.

It is an arithmetic number, because the mean of its divisors is an integer number (39718201422).

Almost surely, 2^158865864383 is an apocalyptic number.

158865864383 is a deficient number, since it is larger than the sum of its proper divisors (6941305).

158865864383 is an equidigital number, since it uses as much as digits as its factorization.

158865864383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6941304.

The product of its digits is 132710400, while the sum is 65.

The spelling of 158865864383 in words is "one hundred fifty-eight billion, eight hundred sixty-five million, eight hundred sixty-four thousand, three hundred eighty-three".