158943251613 has 8 divisors (see below), whose sum is σ = 212213457568. Its totient is φ = 105817606704.

The previous prime is 158943251581. The next prime is 158943251633. The reversal of 158943251613 is 316152349851.

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

It is not a de Polignac number, because 158943251613 - 2⁵ = 158943251581 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 (158943251633) 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, 36137695 + ... + 36142092.

It is an arithmetic number, because the mean of its divisors is an integer number (26526682196).

Almost surely, 2^158943251613 is an apocalyptic number.

It is an amenable number.

158943251613 is a deficient number, since it is larger than the sum of its proper divisors (53270205955).

158943251613 is an equidigital number, since it uses as much as digits as its factorization.

158943251613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72280523.

The product of its digits is 777600, while the sum is 48.

The spelling of 158943251613 in words is "one hundred fifty-eight billion, nine hundred forty-three million, two hundred fifty-one thousand, six hundred thirteen".