16523810163 has 64 divisors (see below), whose sum is σ = 28689776640. Its totient is φ = 9203220000.

The previous prime is 16523810111. The next prime is 16523810179. The reversal of 16523810163 is 36101832561.

It is not a de Polignac number, because 16523810163 - 2¹² = 16523806067 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (16523810183) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2225928 + ... + 2233338.

It is an arithmetic number, because the mean of its divisors is an integer number (448277760).

Almost surely, 2^16523810163 is an apocalyptic number.

16523810163 is a deficient number, since it is larger than the sum of its proper divisors (12165966477).

16523810163 is a wasteful number, since it uses less digits than its factorization.

16523810163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725 (or 7719 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 16523810163 in words is "sixteen billion, five hundred twenty-three million, eight hundred ten thousand, one hundred sixty-three".