158167487 has 4 divisors (see below), whose sum is σ = 163269696. Its totient is φ = 153065280.

The previous prime is 158167483. The next prime is 158167501. The reversal of 158167487 is 784761851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158167487 - 2² = 158167483 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 2551058 + ... + 2551119.

It is an arithmetic number, because the mean of its divisors is an integer number (40817424).

Almost surely, 2^158167487 is an apocalyptic number.

158167487 is a deficient number, since it is larger than the sum of its proper divisors (5102209).

158167487 is an equidigital number, since it uses as much as digits as its factorization.

158167487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102208.

The product of its digits is 376320, while the sum is 47.

The square root of 158167487 is about 12576.4656004777. The cubic root of 158167487 is about 540.8029743466.

The spelling of 158167487 in words is "one hundred fifty-eight million, one hundred sixty-seven thousand, four hundred eighty-seven".