158122197627 has 16 divisors (see below), whose sum is σ = 211254151680. Its totient is φ = 105202620000.

The previous prime is 158122197577. The next prime is 158122197637. The reversal of 158122197627 is 726791221851.

It is a happy number.

It is not a de Polignac number, because 158122197627 - 2⁸ = 158122197371 is a prime.

It is a super-2 number, since 2×158122197627² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 158122197627.

It is not an unprimeable number, because it can be changed into a prime (158122197637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8128749 + ... + 8148177.

It is an arithmetic number, because the mean of its divisors is an integer number (13203384480).

Almost surely, 2^158122197627 is an apocalyptic number.

158122197627 is a deficient number, since it is larger than the sum of its proper divisors (53131954053).

158122197627 is a wasteful number, since it uses less digits than its factorization.

158122197627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24754.

The product of its digits is 846720, while the sum is 51.

The spelling of 158122197627 in words is "one hundred fifty-eight billion, one hundred twenty-two million, one hundred ninety-seven thousand, six hundred twenty-seven".