158996560 has 80 divisors (see below), whose sum is σ = 402652800. Its totient is φ = 58157568.

The previous prime is 158996527. The next prime is 158996567. The reversal of 158996560 is 65699851.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158996567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42277 + ... + 45883.

It is an arithmetic number, because the mean of its divisors is an integer number (5033160).

Almost surely, 2^158996560 is an apocalyptic number.

158996560 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 158996560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201326400).

158996560 is an abundant number, since it is smaller than the sum of its proper divisors (243656240).

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

158996560 is a wasteful number, since it uses less digits than its factorization.

158996560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668 (or 3662 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 158996560 is about 12609.3838073080. The cubic root of 158996560 is about 541.7462445083.

The spelling of 158996560 in words is "one hundred fifty-eight million, nine hundred ninety-six thousand, five hundred sixty".