158657872223 has 4 divisors (see below), whose sum is σ = 162033571680. Its totient is φ = 155282172768.

The previous prime is 158657872147. The next prime is 158657872229. The reversal of 158657872223 is 322278756851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322278756851 = 22073 ⋅14600587.

It is a cyclic number.

It is not a de Polignac number, because 158657872223 - 2¹⁶ = 158657806687 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 (158657872229) 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, 1687849658 + ... + 1687849751.

It is an arithmetic number, because the mean of its divisors is an integer number (40508392920).

Almost surely, 2^158657872223 is an apocalyptic number.

158657872223 is a deficient number, since it is larger than the sum of its proper divisors (3375699457).

158657872223 is an equidigital number, since it uses as much as digits as its factorization.

158657872223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375699456.

The product of its digits is 11289600, while the sum is 56.

The spelling of 158657872223 in words is "one hundred fifty-eight billion, six hundred fifty-seven million, eight hundred seventy-two thousand, two hundred twenty-three".