158231716 has 12 divisors (see below), whose sum is σ = 293194188. Its totient is φ = 74461952.

The previous prime is 158231693. The next prime is 158231771. The reversal of 158231716 is 617132851.

It is a happy number.

158231716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44169316 + 114062400 = 6646^2 + 10680^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163401 + ... + 1163536.

It is an arithmetic number, because the mean of its divisors is an integer number (24432849).

Almost surely, 2^158231716 is an apocalyptic number.

It is an amenable number.

158231716 is a deficient number, since it is larger than the sum of its proper divisors (134962472).

158231716 is a wasteful number, since it uses less digits than its factorization.

158231716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326958 (or 2326956 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 158231716 is about 12579.0188806600. The cubic root of 158231716 is about 540.8761679259.

The spelling of 158231716 in words is "one hundred fifty-eight million, two hundred thirty-one thousand, seven hundred sixteen".