158585720 has 64 divisors (see below), whose sum is σ = 368327520. Its totient is φ = 61415424.

The previous prime is 158585689. The next prime is 158585729. The reversal of 158585720 is 27585851.

158585720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158585729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235304 + ... + 235976.

Almost surely, 2^158585720 is an apocalyptic number.

158585720 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 158585720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184163760).

158585720 is an abundant number, since it is smaller than the sum of its proper divisors (209741800).

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

158585720 is a wasteful number, since it uses less digits than its factorization.

158585720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 41.

The square root of 158585720 is about 12593.0822279536. The cubic root of 158585720 is about 541.2792260032.

The spelling of 158585720 in words is "one hundred fifty-eight million, five hundred eighty-five thousand, seven hundred twenty".