158159646 has 24 divisors (see below), whose sum is σ = 343807464. Its totient is φ = 52546320.

The previous prime is 158159627. The next prime is 158159647. The reversal of 158159646 is 646951851.

158159646 is a `hidden beast` number, since 1 + 58 + 1 + 596 + 4 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158159647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8785 + ... + 19836.

It is an arithmetic number, because the mean of its divisors is an integer number (14325311).

Almost surely, 2^158159646 is an apocalyptic number.

158159646 is an abundant number, since it is smaller than the sum of its proper divisors (185647818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158159646 is a wasteful number, since it uses less digits than its factorization.

158159646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28936 (or 28933 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 158159646 is about 12576.1538635626. The cubic root of 158159646 is about 540.7940376044.

The spelling of 158159646 in words is "one hundred fifty-eight million, one hundred fifty-nine thousand, six hundred forty-six".