158646503101 has 2 divisors, whose sum is σ = 158646503102. Its totient is φ = 158646503100.

The previous prime is 158646503083. The next prime is 158646503149. The reversal of 158646503101 is 101305646851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158522626201 + 123876900 = 398149^2 + 11130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158646503101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158646503501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79323251550 + 79323251551.

It is an arithmetic number, because the mean of its divisors is an integer number (79323251551).

Almost surely, 2^158646503101 is an apocalyptic number.

It is an amenable number.

158646503101 is a deficient number, since it is larger than the sum of its proper divisors (1).

158646503101 is an equidigital number, since it uses as much as digits as its factorization.

158646503101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 158646503101 in words is "one hundred fifty-eight billion, six hundred forty-six million, five hundred three thousand, one hundred one".