158665382 has 8 divisors (see below), whose sum is σ = 238214496. Its totient is φ = 79260552.

The previous prime is 158665379. The next prime is 158665439. The reversal of 158665382 is 283566851.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33278 + ... + 37745.

It is an arithmetic number, because the mean of its divisors is an integer number (29776812).

Almost surely, 2^158665382 is an apocalyptic number.

158665382 is a deficient number, since it is larger than the sum of its proper divisors (79549114).

158665382 is a wasteful number, since it uses less digits than its factorization.

158665382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72142.

The product of its digits is 345600, while the sum is 44.

The square root of 158665382 is about 12596.2447578634. The cubic root of 158665382 is about 541.3698440145.

The spelling of 158665382 in words is "one hundred fifty-eight million, six hundred sixty-five thousand, three hundred eighty-two".