158536051947 has 96 divisors (see below), whose sum is σ = 292351707648. Its totient is φ = 80558489088.

The previous prime is 158536051909. The next prime is 158536051963. The reversal of 158536051947 is 749150635851.

158536051947 is a `hidden beast` number, since 1 + 5 + 85 + 3 + 6 + 0 + 519 + 47 = 666.

It is not a de Polignac number, because 158536051947 - 2¹² = 158536047851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158536051893 and 158536051902.

It is not an unprimeable number, because it can be changed into a prime (158536051907) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2540008 + ... + 2601674.

It is an arithmetic number, because the mean of its divisors is an integer number (3045330288).

Almost surely, 2^158536051947 is an apocalyptic number.

158536051947 is a deficient number, since it is larger than the sum of its proper divisors (133815655701).

158536051947 is a wasteful number, since it uses less digits than its factorization.

158536051947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61809 (or 61806 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The spelling of 158536051947 in words is "one hundred fifty-eight billion, five hundred thirty-six million, fifty-one thousand, nine hundred forty-seven".