16442324065 has 16 divisors (see below), whose sum is σ = 20674828800. Its totient is φ = 12529287232.

The previous prime is 16442324053. The next prime is 16442324083. The reversal of 16442324065 is 56042324461.

It is a cyclic number.

It is not a de Polignac number, because 16442324065 - 2⁵ = 16442324033 is a prime.

It is a super-3 number, since 3×16442324065³ (a number of 32 digits) contains 333 as substring.

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, 271630 + ... + 326599.

It is an arithmetic number, because the mean of its divisors is an integer number (1292176800).

Almost surely, 2^16442324065 is an apocalyptic number.

It is an amenable number.

16442324065 is a deficient number, since it is larger than the sum of its proper divisors (4232504735).

16442324065 is a wasteful number, since it uses less digits than its factorization.

16442324065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598496.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 16442324065 in words is "sixteen billion, four hundred forty-two million, three hundred twenty-four thousand, sixty-five".