158131680 has 192 divisors, whose sum is σ = 599477760. Its totient is φ = 34228224.

The previous prime is 158131667. The next prime is 158131681. The reversal of 158131680 is 86131851.

158131680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158131681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62602 + ... + 65078.

It is an arithmetic number, because the mean of its divisors is an integer number (3122280).

Almost surely, 2^158131680 is an apocalyptic number.

158131680 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 158131680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299738880).

158131680 is an abundant number, since it is smaller than the sum of its proper divisors (441346080).

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

158131680 is a wasteful number, since it uses less digits than its factorization.

158131680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521 (or 2513 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 158131680 is about 12575.0419482402. The cubic root of 158131680 is about 540.7621610840.

The spelling of 158131680 in words is "one hundred fifty-eight million, one hundred thirty-one thousand, six hundred eighty".