158163272 has 32 divisors (see below), whose sum is σ = 316051200. Its totient is φ = 74029824.

The previous prime is 158163263. The next prime is 158163283. The reversal of 158163272 is 272361851.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497 + ... + 17792.

It is an arithmetic number, because the mean of its divisors is an integer number (9876600).

Almost surely, 2^158163272 is an apocalyptic number.

It is an amenable number.

158163272 is a deficient number, since it is larger than the sum of its proper divisors (157887928).

158163272 is a wasteful number, since it uses less digits than its factorization.

158163272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18365 (or 18361 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 158163272 is about 12576.2980244585. The cubic root of 158163272 is about 540.7981703572.

The spelling of 158163272 in words is "one hundred fifty-eight million, one hundred sixty-three thousand, two hundred seventy-two".