16463357843 has 4 divisors (see below), whose sum is σ = 16626361488. Its totient is φ = 16300354200.

The previous prime is 16463357839. The next prime is 16463357851. The reversal of 16463357843 is 34875336461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16463357843 - 2² = 16463357839 is a prime.

It is a super-2 number, since 2×16463357843² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16463357791 and 16463357800.

It is not an unprimeable number, because it can be changed into a prime (16463357543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81501671 + ... + 81501872.

It is an arithmetic number, because the mean of its divisors is an integer number (4156590372).

Almost surely, 2^16463357843 is an apocalyptic number.

16463357843 is a deficient number, since it is larger than the sum of its proper divisors (163003645).

16463357843 is a wasteful number, since it uses less digits than its factorization.

16463357843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163003644.

The product of its digits is 4354560, while the sum is 50.

The spelling of 16463357843 in words is "sixteen billion, four hundred sixty-three million, three hundred fifty-seven thousand, eight hundred forty-three".