158216712 has 16 divisors (see below), whose sum is σ = 395541840. Its totient is φ = 52738896.

The previous prime is 158216689. The next prime is 158216717. The reversal of 158216712 is 217612851.

It is not an unprimeable number, because it can be changed into a prime (158216717) 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 3 ways as a sum of consecutive naturals, for example, 3296158 + ... + 3296205.

It is an arithmetic number, because the mean of its divisors is an integer number (24721365).

Almost surely, 2^158216712 is an apocalyptic number.

158216712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158216712 is an abundant number, since it is smaller than the sum of its proper divisors (237325128).

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

158216712 is a wasteful number, since it uses less digits than its factorization.

158216712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6592372 (or 6592368 counting only the distinct ones).

The product of its digits is 6720, while the sum is 33.

The square root of 158216712 is about 12578.4224766065. The cubic root of 158216712 is about 540.8590715588.

The spelling of 158216712 in words is "one hundred fifty-eight million, two hundred sixteen thousand, seven hundred twelve".