16512437464 has 24 divisors (see below), whose sum is σ = 32676106860. Its totient is φ = 7821679536.

The previous prime is 16512437453. The next prime is 16512437489. The reversal of 16512437464 is 46473421561.

It is a self number, because there is not a number n which added to its sum of digits gives 16512437464.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 2855914 + ... + 2861689.

Almost surely, 2^16512437464 is an apocalyptic number.

It is an amenable number.

16512437464 is a deficient number, since it is larger than the sum of its proper divisors (16163669396).

16512437464 is a wasteful number, since it uses less digits than its factorization.

16512437464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717647 (or 5717624 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The spelling of 16512437464 in words is "sixteen billion, five hundred twelve million, four hundred thirty-seven thousand, four hundred sixty-four".