16214510065 has 16 divisors (see below), whose sum is σ = 20958210000. Its totient is φ = 11971464192.

The previous prime is 16214510033. The next prime is 16214510089. The reversal of 16214510065 is 56001541261.

It can be written as a sum of positive squares in 8 ways, for example, as 1341244129 + 14873265936 = 36623^2 + 121956^2 .

It is a cyclic number.

It is not a de Polignac number, because 16214510065 - 2⁵ = 16214510033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358861 + ... + 401509.

It is an arithmetic number, because the mean of its divisors is an integer number (1309888125).

Almost surely, 2^16214510065 is an apocalyptic number.

It is an amenable number.

16214510065 is a deficient number, since it is larger than the sum of its proper divisors (4743699935).

16214510065 is a wasteful number, since it uses less digits than its factorization.

16214510065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48516.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 16214510065 in words is "sixteen billion, two hundred fourteen million, five hundred ten thousand, sixty-five".