158338827669 has 32 divisors (see below), whose sum is σ = 235460265984. Its totient is φ = 93821732480.

The previous prime is 158338827659. The next prime is 158338827697. The reversal of 158338827669 is 966728833851.

It is a cyclic number.

It is not a de Polignac number, because 158338827669 - 2⁴ = 158338827653 is a prime.

It is a super-2 number, since 2×158338827669² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158338827649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1424542 + ... + 1531664.

It is an arithmetic number, because the mean of its divisors is an integer number (7358133312).

Almost surely, 2^158338827669 is an apocalyptic number.

It is an amenable number.

158338827669 is a deficient number, since it is larger than the sum of its proper divisors (77121438315).

158338827669 is a wasteful number, since it uses less digits than its factorization.

158338827669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108137.

The product of its digits is 104509440, while the sum is 66.

The spelling of 158338827669 in words is "one hundred fifty-eight billion, three hundred thirty-eight million, eight hundred twenty-seven thousand, six hundred sixty-nine".