16506146043 has 12 divisors (see below), whose sum is σ = 23843511640. Its totient is φ = 11003497056.

The previous prime is 16506146017. The next prime is 16506146053. The reversal of 16506146043 is 34064160561.

It is a happy number.

16506146043 is a `hidden beast` number, since 1 + 6 + 506 + 146 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 16506146043 - 2⁹ = 16506145531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16506145989 and 16506146007.

It is not an unprimeable number, because it can be changed into a prime (16506146053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179580 + ... + 255462.

Almost surely, 2^16506146043 is an apocalyptic number.

16506146043 is a deficient number, since it is larger than the sum of its proper divisors (7337365597).

16506146043 is a wasteful number, since it uses less digits than its factorization.

16506146043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100058 (or 100055 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 16506146043 in words is "sixteen billion, five hundred six million, one hundred forty-six thousand, forty-three".