16451345463 has 16 divisors (see below), whose sum is σ = 25072697856. Its totient is φ = 9399276000.

The previous prime is 16451345437. The next prime is 16451345467. The reversal of 16451345463 is 36454315461.

It is a happy number.

It is not a de Polignac number, because 16451345463 - 2¹⁰ = 16451344439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16451345467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80838 + ... + 198588.

It is an arithmetic number, because the mean of its divisors is an integer number (1567043616).

Almost surely, 2^16451345463 is an apocalyptic number.

16451345463 is a deficient number, since it is larger than the sum of its proper divisors (8621352393).

16451345463 is a wasteful number, since it uses less digits than its factorization.

16451345463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124414.

The product of its digits is 518400, while the sum is 42.

The spelling of 16451345463 in words is "sixteen billion, four hundred fifty-one million, three hundred forty-five thousand, four hundred sixty-three".