158958438069 has 16 divisors (see below), whose sum is σ = 229186637568. Its totient is φ = 97616527872.

The previous prime is 158958438047. The next prime is 158958438071. The reversal of 158958438069 is 960834859851.

It is not a de Polignac number, because 158958438069 - 2¹⁵ = 158958405301 is a prime.

It is a super-2 number, since 2×158958438069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158958458069) 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, 33155392 + ... + 33160185.

It is an arithmetic number, because the mean of its divisors is an integer number (14324164848).

Almost surely, 2^158958438069 is an apocalyptic number.

It is an amenable number.

158958438069 is a deficient number, since it is larger than the sum of its proper divisors (70228199499).

158958438069 is a wasteful number, since it uses less digits than its factorization.

158958438069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66315644.

The product of its (nonzero) digits is 74649600, while the sum is 66.

The spelling of 158958438069 in words is "one hundred fifty-eight billion, nine hundred fifty-eight million, four hundred thirty-eight thousand, sixty-nine".