158918071 has 16 divisors (see below), whose sum is σ = 185029600. Its totient is φ = 135209088.

The previous prime is 158918047. The next prime is 158918077. The reversal of 158918071 is 170819851.

It is a cyclic number.

It is not a de Polignac number, because 158918071 - 2⁹ = 158917559 is a prime.

It is a super-2 number, since 2×158918071² = 50509906580722082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158918077) 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, 445 + ... + 17833.

It is an arithmetic number, because the mean of its divisors is an integer number (11564350).

Almost surely, 2^158918071 is an apocalyptic number.

158918071 is a deficient number, since it is larger than the sum of its proper divisors (26111529).

158918071 is a wasteful number, since it uses less digits than its factorization.

158918071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17458.

The product of its (nonzero) digits is 20160, while the sum is 40.

The square root of 158918071 is about 12606.2710981479. The cubic root of 158918071 is about 541.6570850955.

The spelling of 158918071 in words is "one hundred fifty-eight million, nine hundred eighteen thousand, seventy-one".