158222396617 has 16 divisors (see below), whose sum is σ = 171567918720. Its totient is φ = 145331327232.

The previous prime is 158222396611. The next prime is 158222396623. The reversal of 158222396617 is 716693222851.

It is an interprime number because it is at equal distance from previous prime (158222396611) and next prime (158222396623).

It is a cyclic number.

It is not a de Polignac number, because 158222396617 - 2³¹ = 156074912969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158222396611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797484 + ... + 975922.

It is an arithmetic number, because the mean of its divisors is an integer number (10722994920).

Almost surely, 2^158222396617 is an apocalyptic number.

158222396617 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

158222396617 is a deficient number, since it is larger than the sum of its proper divisors (13345522103).

158222396617 is a wasteful number, since it uses less digits than its factorization.

158222396617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179712.

The product of its digits is 2177280, while the sum is 52.

The spelling of 158222396617 in words is "one hundred fifty-eight billion, two hundred twenty-two million, three hundred ninety-six thousand, six hundred seventeen".