158646503087 has 4 divisors (see below), whose sum is σ = 158910474576. Its totient is φ = 158382531600.

The previous prime is 158646503083. The next prime is 158646503101. The reversal of 158646503087 is 780305646851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158646503087 - 2² = 158646503083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158646503083) 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 in 3 ways as a sum of consecutive naturals, for example, 131984843 + ... + 131986044.

It is an arithmetic number, because the mean of its divisors is an integer number (39727618644).

Almost surely, 2^158646503087 is an apocalyptic number.

158646503087 is a deficient number, since it is larger than the sum of its proper divisors (263971489).

158646503087 is an equidigital number, since it uses as much as digits as its factorization.

158646503087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263971488.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 158646503087 in words is "one hundred fifty-eight billion, six hundred forty-six million, five hundred three thousand, eighty-seven".