158513663 has 8 divisors (see below), whose sum is σ = 197627520. Its totient is φ = 123517080.

The previous prime is 158513659. The next prime is 158513683. The reversal of 158513663 is 366315851.

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

It is a cyclic number.

It is not a de Polignac number, because 158513663 - 2² = 158513659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158513603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029233 + ... + 1029386.

It is an arithmetic number, because the mean of its divisors is an integer number (24703440).

Almost surely, 2^158513663 is an apocalyptic number.

158513663 is a deficient number, since it is larger than the sum of its proper divisors (39113857).

158513663 is a wasteful number, since it uses less digits than its factorization.

158513663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058637.

The product of its digits is 64800, while the sum is 38.

The square root of 158513663 is about 12590.2209273706. The cubic root of 158513663 is about 541.1972327738.

The spelling of 158513663 in words is "one hundred fifty-eight million, five hundred thirteen thousand, six hundred sixty-three".