16506146044 has 24 divisors (see below), whose sum is σ = 29823008768. Its totient is φ = 7985383920.

The previous prime is 16506146017. The next prime is 16506146053. The reversal of 16506146044 is 44064160561.

It is a junction number, because it is equal to n+sod(n) for n = 16506145994 and 16506146012.

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, 1019557 + ... + 1035619.

Almost surely, 2^16506146044 is an apocalyptic number.

It is an amenable number.

16506146044 is a deficient number, since it is larger than the sum of its proper divisors (13316862724).

16506146044 is a wasteful number, since it uses less digits than its factorization.

16506146044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24385 (or 24383 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 16506146044 in words is "sixteen billion, five hundred six million, one hundred forty-six thousand, forty-four".