158158105772 has 6 divisors (see below), whose sum is σ = 276776685108. Its totient is φ = 79079052884.

The previous prime is 158158105757. The next prime is 158158105829. The reversal of 158158105772 is 277501851851.

158158105772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 158158105772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19769763218 + ... + 19769763225.

It is an arithmetic number, because the mean of its divisors is an integer number (46129447518).

Almost surely, 2^158158105772 is an apocalyptic number.

It is an amenable number.

158158105772 is a deficient number, since it is larger than the sum of its proper divisors (118618579336).

158158105772 is a wasteful number, since it uses less digits than its factorization.

158158105772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39539526447 (or 39539526445 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 50.

The spelling of 158158105772 in words is "one hundred fifty-eight billion, one hundred fifty-eight million, one hundred five thousand, seven hundred seventy-two".