158320146631 has 8 divisors (see below), whose sum is σ = 164234548800. Its totient is φ = 152503503360.

The previous prime is 158320146619. The next prime is 158320146637. The reversal of 158320146631 is 136641023851.

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

It is a cyclic number.

It is not a de Polignac number, because 158320146631 - 2⁵ = 158320146599 is a prime.

It is a super-2 number, since 2×158320146631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158320146637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24436426 + ... + 24442903.

It is an arithmetic number, because the mean of its divisors is an integer number (20529318600).

Almost surely, 2^158320146631 is an apocalyptic number.

158320146631 is a deficient number, since it is larger than the sum of its proper divisors (5914402169).

158320146631 is an equidigital number, since it uses as much as digits as its factorization.

158320146631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48879449.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 158320146631 in words is "one hundred fifty-eight billion, three hundred twenty million, one hundred forty-six thousand, six hundred thirty-one".