163093786087 has 4 divisors (see below), whose sum is σ = 163112526136. Its totient is φ = 163075046040.

The previous prime is 163093786027. The next prime is 163093786099. The reversal of 163093786087 is 780687390361.

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 163093786087 - 2²³ = 163085397479 is a prime.

It is a super-2 number, since 2×163093786087² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163093786027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9356964 + ... + 9374377.

It is an arithmetic number, because the mean of its divisors is an integer number (40778131534).

Almost surely, 2^163093786087 is an apocalyptic number.

163093786087 is a deficient number, since it is larger than the sum of its proper divisors (18740049).

163093786087 is an equidigital number, since it uses as much as digits as its factorization.

163093786087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18740048.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 163093786087 in words is "one hundred sixty-three billion, ninety-three million, seven hundred eighty-six thousand, eighty-seven".