158938560 has 336 divisors, whose sum is σ = 620511840. Its totient is φ = 36986880.

The previous prime is 158938547. The next prime is 158938601. The reversal of 158938560 is 65839851.

158938560 is a `hidden beast` number, since 1 + 5 + 89 + 3 + 8 + 560 = 666.

It is a super-2 number, since 2×158938560² = 50522931709747200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 918634 + ... + 918806.

Almost surely, 2^158938560 is an apocalyptic number.

158938560 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 158938560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310255920).

158938560 is an abundant number, since it is smaller than the sum of its proper divisors (461573280).

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

158938560 is a wasteful number, since it uses less digits than its factorization.

158938560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 158938560 is about 12607.0837230503. The cubic root of 158938560 is about 541.6803623625.

The spelling of 158938560 in words is "one hundred fifty-eight million, nine hundred thirty-eight thousand, five hundred sixty".