158660604825 has 48 divisors (see below), whose sum is σ = 265495507200. Its totient is φ = 83595916800.

The previous prime is 158660604797. The next prime is 158660604833. The reversal of 158660604825 is 528406066851.

158660604825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158660604825 - 2⁹ = 158660604313 is a prime.

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 in 47 ways as a sum of consecutive naturals, for example, 8207271 + ... + 8226579.

It is an arithmetic number, because the mean of its divisors is an integer number (5531156400).

Almost surely, 2^158660604825 is an apocalyptic number.

158660604825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158660604825 is a deficient number, since it is larger than the sum of its proper divisors (106834902375).

158660604825 is a wasteful number, since it uses less digits than its factorization.

158660604825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20642 (or 20637 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 158660604825 in words is "one hundred fifty-eight billion, six hundred sixty million, six hundred four thousand, eight hundred twenty-five".