16105250217 has 16 divisors (see below), whose sum is σ = 24543326592. Its totient is φ = 9202252800.

The previous prime is 16105250209. The next prime is 16105250243. The reversal of 16105250217 is 71205250161.

It is not a de Polignac number, because 16105250217 - 2³ = 16105250209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16105250297) 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 15 ways as a sum of consecutive naturals, for example, 332233 + ... + 377609.

It is an arithmetic number, because the mean of its divisors is an integer number (1533957912).

Almost surely, 2^16105250217 is an apocalyptic number.

It is an amenable number.

16105250217 is a deficient number, since it is larger than the sum of its proper divisors (8438076375).

16105250217 is a wasteful number, since it uses less digits than its factorization.

16105250217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62288.

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 16105250217 in words is "sixteen billion, one hundred five million, two hundred fifty thousand, two hundred seventeen".