158623469503 has 16 divisors (see below), whose sum is σ = 167934892032. Its totient is φ = 149612580000.

The previous prime is 158623469467. The next prime is 158623469507. The reversal of 158623469503 is 305964326851.

It is a cyclic number.

It is not a de Polignac number, because 158623469503 - 2²⁹ = 158086598591 is a prime.

It is a super-2 number, since 2×158623469503² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158623469507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71593 + ... + 567778.

It is an arithmetic number, because the mean of its divisors is an integer number (10495930752).

Almost surely, 2^158623469503 is an apocalyptic number.

158623469503 is a deficient number, since it is larger than the sum of its proper divisors (9311422529).

158623469503 is a wasteful number, since it uses less digits than its factorization.

158623469503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639606.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 158623469503 in words is "one hundred fifty-eight billion, six hundred twenty-three million, four hundred sixty-nine thousand, five hundred three".