16500398343 has 16 divisors (see below), whose sum is σ = 25846778496. Its totient is φ = 9230991840.

The previous prime is 16500398333. The next prime is 16500398359. The reversal of 16500398343 is 34389300561.

It is not a de Polignac number, because 16500398343 - 2²⁴ = 16483621127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16500398295 and 16500398304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16500398333) 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, 19230805 + ... + 19231662.

It is an arithmetic number, because the mean of its divisors is an integer number (1615423656).

Almost surely, 2^16500398343 is an apocalyptic number.

16500398343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16500398343 is a deficient number, since it is larger than the sum of its proper divisors (9346380153).

16500398343 is a wasteful number, since it uses less digits than its factorization.

16500398343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38462494.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 16500398343 in words is "sixteen billion, five hundred million, three hundred ninety-eight thousand, three hundred forty-three".