16463665087 has 4 divisors (see below), whose sum is σ = 16865217936. Its totient is φ = 16062112240.

The previous prime is 16463665069. The next prime is 16463665117. The reversal of 16463665087 is 78056636461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78056636461 = 1069 ⋅73018369.

It is a cyclic number.

It is not a de Polignac number, because 16463665087 - 2¹⁵ = 16463632319 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 (16463665007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200776363 + ... + 200776444.

It is an arithmetic number, because the mean of its divisors is an integer number (4216304484).

Almost surely, 2^16463665087 is an apocalyptic number.

16463665087 is a deficient number, since it is larger than the sum of its proper divisors (401552849).

16463665087 is an equidigital number, since it uses as much as digits as its factorization.

16463665087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401552848.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 16463665087 in words is "sixteen billion, four hundred sixty-three million, six hundred sixty-five thousand, eighty-seven".