158903349366840 has 512 divisors, whose sum is σ = 528740908416000. Its totient is φ = 37964403671040.

The previous prime is 158903349366833. The next prime is 158903349366847. The reversal of 158903349366840 is 48663943309851.

It is an interprime number because it is at equal distance from previous prime (158903349366833) and next prime (158903349366847).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158903349366847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2440916611 + ... + 2440981709.

It is an arithmetic number, because the mean of its divisors is an integer number (1032697086750).

Almost surely, 2^{158903349366840} is an apocalyptic number.

158903349366840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158903349366840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264370454208000).

158903349366840 is an abundant number, since it is smaller than the sum of its proper divisors (369837559049160).

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

158903349366840 is a wasteful number, since it uses less digits than its factorization.

158903349366840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65527 (or 65523 counting only the distinct ones).

The product of its (nonzero) digits is 403107840, while the sum is 69.

The spelling of 158903349366840 in words is "one hundred fifty-eight trillion, nine hundred three billion, three hundred forty-nine million, three hundred sixty-six thousand, eight hundred forty".