16514363513645 has 8 divisors (see below), whose sum is σ = 19818634540056. Its totient is φ = 13210558595136.

The previous prime is 16514363513623. The next prime is 16514363513651. The reversal of 16514363513645 is 54631536341561.

It can be written as a sum of positive squares in 4 ways, for example, as 8529822583396 + 7984540930249 = 2920586^2 + 2825693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16514363513645 - 2⁶ = 16514363513581 is a prime.

It is a super-3 number, since 3×16514363513645³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116449022 + ... + 116590751.

It is an arithmetic number, because the mean of its divisors is an integer number (2477329317507).

Almost surely, 2^{16514363513645} is an apocalyptic number.

It is an amenable number.

16514363513645 is a deficient number, since it is larger than the sum of its proper divisors (3304271026411).

16514363513645 is a wasteful number, since it uses less digits than its factorization.

16514363513645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233053951.

The product of its digits is 11664000, while the sum is 53.

The spelling of 16514363513645 in words is "sixteen trillion, five hundred fourteen billion, three hundred sixty-three million, five hundred thirteen thousand, six hundred forty-five".