158172027 has 16 divisors (see below), whose sum is σ = 227619840. Its totient is φ = 97121952.

The previous prime is 158172019. The next prime is 158172031. The reversal of 158172027 is 720271851.

It is not a de Polignac number, because 158172027 - 2³ = 158172019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158172037) 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, 14448 + ... + 22914.

It is an arithmetic number, because the mean of its divisors is an integer number (14226240).

Almost surely, 2^158172027 is an apocalyptic number.

158172027 is a deficient number, since it is larger than the sum of its proper divisors (69447813).

158172027 is a wasteful number, since it uses less digits than its factorization.

158172027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8962.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 158172027 is about 12576.6460950446. The cubic root of 158172027 is about 540.8081486549.

The spelling of 158172027 in words is "one hundred fifty-eight million, one hundred seventy-two thousand, twenty-seven".