158643360 has 120 divisors (see below), whose sum is σ = 559924596. Its totient is φ = 42301440.

The previous prime is 158643349. The next prime is 158643361. The reversal of 158643360 is 63346851.

158643360 is a `hidden beast` number, since 1 + 5 + 8 + 643 + 3 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 152473104 + 6170256 = 12348^2 + 2484^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (158643361) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6840 + ... + 19080.

Almost surely, 2^158643360 is an apocalyptic number.

158643360 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 158643360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279962298).

158643360 is an abundant number, since it is smaller than the sum of its proper divisors (401281236).

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

158643360 is a wasteful number, since it uses less digits than its factorization.

158643360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12268 (or 12251 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 158643360 is about 12595.3705781132. The cubic root of 158643360 is about 541.3447963362.

The spelling of 158643360 in words is "one hundred fifty-eight million, six hundred forty-three thousand, three hundred sixty".