158260991517793 has 4 divisors (see below), whose sum is σ = 158261404483120. Its totient is φ = 158260578552468.

The previous prime is 158260991517773. The next prime is 158260991517803. The reversal of 158260991517793 is 397715199062851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158260991517793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158260991517773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205907283 + ... + 206674456.

It is an arithmetic number, because the mean of its divisors is an integer number (39565351120780).

Almost surely, 2^{158260991517793} is an apocalyptic number.

It is an amenable number.

158260991517793 is a deficient number, since it is larger than the sum of its proper divisors (412965327).

158260991517793 is an equidigital number, since it uses as much as digits as its factorization.

158260991517793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412965326.

The product of its (nonzero) digits is 257191200, while the sum is 73.

The spelling of 158260991517793 in words is "one hundred fifty-eight trillion, two hundred sixty billion, nine hundred ninety-one million, five hundred seventeen thousand, seven hundred ninety-three".