158860563 has 16 divisors (see below), whose sum is σ = 234026496. Its totient is φ = 95342720.

The previous prime is 158860553. The next prime is 158860601. The reversal of 158860563 is 365068851.

It is a cyclic number.

It is not a de Polignac number, because 158860563 - 2²⁰ = 157811987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158860553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66543 + ... + 68888.

It is an arithmetic number, because the mean of its divisors is an integer number (14626656).

Almost surely, 2^158860563 is an apocalyptic number.

158860563 is a deficient number, since it is larger than the sum of its proper divisors (75165933).

158860563 is a wasteful number, since it uses less digits than its factorization.

158860563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135474.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 158860563 is about 12603.9899634997. The cubic root of 158860563 is about 541.5917403687.

The spelling of 158860563 in words is "one hundred fifty-eight million, eight hundred sixty thousand, five hundred sixty-three".