158659216 has 45 divisors (see below), whose sum is σ = 318839619. Its totient is φ = 76482912.

The previous prime is 158659211. The next prime is 158659247. The reversal of 158659216 is 612956851.

The square root of 158659216 is 12596.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158659211) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 2368015 + ... + 2368081.

Almost surely, 2^158659216 is an apocalyptic number.

158659216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

158659216 is the 12596-th square number.

It is an amenable number.

158659216 is an abundant number, since it is smaller than the sum of its proper divisors (160180403).

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

158659216 is an frugal number, since it uses more digits than its factorization.

158659216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 116 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The cubic root of 158659216 is about 541.3628310802.

Multiplying 158659216 by its product of digits (129600), we get a square (20562234393600 = 4534560²).

The spelling of 158659216 in words is "one hundred fifty-eight million, six hundred fifty-nine thousand, two hundred sixteen".