16330249809 has 16 divisors (see below), whose sum is σ = 24337837440. Its totient is φ = 10821639600.

The previous prime is 16330249807. The next prime is 16330249823. The reversal of 16330249809 is 90894203361.

It is a happy number.

16330249809 is a `hidden beast` number, since 1 + 633 + 0 + 2 + 4 + 9 + 8 + 0 + 9 = 666.

It is not a de Polignac number, because 16330249809 - 2¹ = 16330249807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16330249807) 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, 1806342 + ... + 1815359.

It is an arithmetic number, because the mean of its divisors is an integer number (1521114840).

Almost surely, 2^16330249809 is an apocalyptic number.

It is an amenable number.

16330249809 is a deficient number, since it is larger than the sum of its proper divisors (8007587631).

16330249809 is a wasteful number, since it uses less digits than its factorization.

16330249809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621877 (or 3621871 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 16330249809 in words is "sixteen billion, three hundred thirty million, two hundred forty-nine thousand, eight hundred nine".