158917906743 has 8 divisors (see below), whose sum is σ = 212205389808. Its totient is φ = 105787847424.

The previous prime is 158917906687. The next prime is 158917906781. The reversal of 158917906743 is 347609719851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 158917906743 - 2²⁵ = 158884352311 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158917906943) 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 7 ways as a sum of consecutive naturals, for example, 39353580 + ... + 39357617.

It is an arithmetic number, because the mean of its divisors is an integer number (26525673726).

Almost surely, 2^158917906743 is an apocalyptic number.

158917906743 is a deficient number, since it is larger than the sum of its proper divisors (53287483065).

158917906743 is an equidigital number, since it uses as much as digits as its factorization.

158917906743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78711873.

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 158917906743 in words is "one hundred fifty-eight billion, nine hundred seventeen million, nine hundred six thousand, seven hundred forty-three".