16531012324 has 12 divisors (see below), whose sum is σ = 28941937024. Its totient is φ = 8261887464.

The previous prime is 16531012273. The next prime is 16531012411. The reversal of 16531012324 is 42321013561.

It is a junction number, because it is equal to n+sod(n) for n = 16531012292 and 16531012301.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 894384 + ... + 912679.

Almost surely, 2^16531012324 is an apocalyptic number.

It is an amenable number.

16531012324 is a deficient number, since it is larger than the sum of its proper divisors (12410924700).

16531012324 is a wasteful number, since it uses less digits than its factorization.

16531012324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809354 (or 1809352 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 16531012324 its reverse (42321013561), we get a palindrome (58852025885).

The spelling of 16531012324 in words is "sixteen billion, five hundred thirty-one million, twelve thousand, three hundred twenty-four".