158167481 has 8 divisors (see below), whose sum is σ = 167370624. Its totient is φ = 149158240.

The previous prime is 158167417. The next prime is 158167483. The reversal of 158167481 is 184761851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158167481 - 2⁶ = 158167417 is a prime.

It is a super-2 number, since 2×158167481² = 50033904091770722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158167483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46796 + ... + 50061.

It is an arithmetic number, because the mean of its divisors is an integer number (20921328).

Almost surely, 2^158167481 is an apocalyptic number.

It is an amenable number.

158167481 is a deficient number, since it is larger than the sum of its proper divisors (9203143).

158167481 is an equidigital number, since it uses as much as digits as its factorization.

158167481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96951.

The product of its digits is 53760, while the sum is 41.

The square root of 158167481 is about 12576.4653619370. The cubic root of 158167481 is about 540.8029675083.

The spelling of 158167481 in words is "one hundred fifty-eight million, one hundred sixty-seven thousand, four hundred eighty-one".