158272170998 has 16 divisors (see below), whose sum is σ = 239954294160. Its totient is φ = 78288684000.

The previous prime is 158272170989. The next prime is 158272171007. The reversal of 158272170998 is 899071272851.

It is an interprime number because it is at equal distance from previous prime (158272170989) and next prime (158272171007).

It is a super-2 number, since 2×158272170998² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70508 + ... + 567023.

It is an arithmetic number, because the mean of its divisors is an integer number (14997143385).

Almost surely, 2^158272170998 is an apocalyptic number.

158272170998 is a deficient number, since it is larger than the sum of its proper divisors (81682123162).

158272170998 is a wasteful number, since it uses less digits than its factorization.

158272170998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638863.

The product of its (nonzero) digits is 5080320, while the sum is 59.

The spelling of 158272170998 in words is "one hundred fifty-eight billion, two hundred seventy-two million, one hundred seventy thousand, nine hundred ninety-eight".