158673143808 has 192 divisors, whose sum is σ = 470741544000. Its totient is φ = 52810776576.

The previous prime is 158673143789. The next prime is 158673143813. The reversal of 158673143808 is 808341376851.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44732691 + ... + 44736237.

It is an arithmetic number, because the mean of its divisors is an integer number (2451778875).

Almost surely, 2^158673143808 is an apocalyptic number.

158673143808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158673143808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235370772000).

158673143808 is an abundant number, since it is smaller than the sum of its proper divisors (312068400192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158673143808 is an equidigital number, since it uses as much as digits as its factorization.

158673143808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387 (or 4361 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 158673143808 in words is "one hundred fifty-eight billion, six hundred seventy-three million, one hundred forty-three thousand, eight hundred eight".