158116772 has 12 divisors (see below), whose sum is σ = 301859376. Its totient is φ = 71871240.

The previous prime is 158116723. The next prime is 158116793. The reversal of 158116772 is 277611851.

It is a happy number.

158116772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1796738 + ... + 1796825.

It is an arithmetic number, because the mean of its divisors is an integer number (25154948).

Almost surely, 2^158116772 is an apocalyptic number.

It is an amenable number.

158116772 is a deficient number, since it is larger than the sum of its proper divisors (143742604).

158116772 is a wasteful number, since it uses less digits than its factorization.

158116772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593578 (or 3593576 counting only the distinct ones).

The product of its digits is 23520, while the sum is 38.

The square root of 158116772 is about 12574.4491728266. The cubic root of 158116772 is about 540.7451669441.

The spelling of 158116772 in words is "one hundred fifty-eight million, one hundred sixteen thousand, seven hundred seventy-two".