158661068 has 24 divisors (see below), whose sum is σ = 295710912. Its totient is φ = 74226944.

The previous prime is 158661067. The next prime is 158661071. The reversal of 158661068 is 860166851.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (158661067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5021 + ... + 18507.

It is an arithmetic number, because the mean of its divisors is an integer number (12321288).

Almost surely, 2^158661068 is an apocalyptic number.

It is an amenable number.

158661068 is a deficient number, since it is larger than the sum of its proper divisors (137049844).

158661068 is a wasteful number, since it uses less digits than its factorization.

158661068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13681 (or 13679 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 158661068 is about 12596.0735151872. The cubic root of 158661068 is about 541.3649374817.

The spelling of 158661068 in words is "one hundred fifty-eight million, six hundred sixty-one thousand, sixty-eight".