158644483862 has 4 divisors (see below), whose sum is σ = 237966725796. Its totient is φ = 79322241930.

The previous prime is 158644483859. The next prime is 158644483873. The reversal of 158644483862 is 268384446851.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 39661120964 + ... + 39661120967.

It is an arithmetic number, because the mean of its divisors is an integer number (59491681449).

Almost surely, 2^158644483862 is an apocalyptic number.

158644483862 is a deficient number, since it is larger than the sum of its proper divisors (79322241934).

158644483862 is an equidigital number, since it uses as much as digits as its factorization.

158644483862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79322241933.

The product of its digits is 35389440, while the sum is 59.

The spelling of 158644483862 in words is "one hundred fifty-eight billion, six hundred forty-four million, four hundred eighty-three thousand, eight hundred sixty-two".