158360640 has 112 divisors (see below), whose sum is σ = 505407168. Its totient is φ = 42010624.

The previous prime is 158360633. The next prime is 158360659. The reversal of 158360640 is 46063851.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280999 + ... + 281561.

It is an arithmetic number, because the mean of its divisors is an integer number (4512564).

Almost surely, 2^158360640 is an apocalyptic number.

158360640 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 158360640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252703584).

158360640 is an abundant number, since it is smaller than the sum of its proper divisors (347046528).

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

158360640 is a wasteful number, since it uses less digits than its factorization.

158360640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 158360640 is about 12584.1424022458. The cubic root of 158360640 is about 541.0230263660.

The spelling of 158360640 in words is "one hundred fifty-eight million, three hundred sixty thousand, six hundred forty".