16463317654399 has 16 divisors (see below), whose sum is σ = 20539101609216. Its totient is φ = 12820179916800.

The previous prime is 16463317654379. The next prime is 16463317654423. The reversal of 16463317654399 is 99345671336461.

It is a cyclic number.

It is not a de Polignac number, because 16463317654399 - 2³⁹ = 15913561840511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16463317654349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69708802 + ... + 69944575.

It is an arithmetic number, because the mean of its divisors is an integer number (1283693850576).

Almost surely, 2^{16463317654399} is an apocalyptic number.

16463317654399 is a deficient number, since it is larger than the sum of its proper divisors (4075783954817).

16463317654399 is a wasteful number, since it uses less digits than its factorization.

16463317654399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139654926.

The product of its digits is 264539520, while the sum is 67.

The spelling of 16463317654399 in words is "sixteen trillion, four hundred sixty-three billion, three hundred seventeen million, six hundred fifty-four thousand, three hundred ninety-nine".