158380911 has 24 divisors (see below), whose sum is σ = 252107856. Its totient is φ = 95195520.

The previous prime is 158380897. The next prime is 158380939. The reversal of 158380911 is 119083851.

It is not a de Polignac number, because 158380911 - 2⁵ = 158380879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158380951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10710 + ... + 20771.

It is an arithmetic number, because the mean of its divisors is an integer number (10504494).

Almost surely, 2^158380911 is an apocalyptic number.

158380911 is a deficient number, since it is larger than the sum of its proper divisors (93726945).

158380911 is a wasteful number, since it uses less digits than its factorization.

158380911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31543 (or 31540 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The square root of 158380911 is about 12584.9477948858. The cubic root of 158380911 is about 541.0461099846.

The spelling of 158380911 in words is "one hundred fifty-eight million, three hundred eighty thousand, nine hundred eleven".