16506145432 has 32 divisors (see below), whose sum is σ = 35387320320. Its totient is φ = 7070660640.

The previous prime is 16506145373. The next prime is 16506145493. The reversal of 16506145432 is 23454160561.

It is a junction number, because it is equal to n+sod(n) for n = 16506145391 and 16506145400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48403 + ... + 188029.

It is an arithmetic number, because the mean of its divisors is an integer number (1105853760).

Almost surely, 2^16506145432 is an apocalyptic number.

It is an amenable number.

16506145432 is an abundant number, since it is smaller than the sum of its proper divisors (18881174888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16506145432 is a wasteful number, since it uses less digits than its factorization.

16506145432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141751 (or 141747 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 16506145432 in words is "sixteen billion, five hundred six million, one hundred forty-five thousand, four hundred thirty-two".