16506054047 has 8 divisors (see below), whose sum is σ = 19102848000. Its totient is φ = 13968956664.

The previous prime is 16506054031. The next prime is 16506054077. The reversal of 16506054047 is 74045060561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16506054047 - 2⁴ = 16506054031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16506054047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16506054077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14923547 + ... + 14924652.

It is an arithmetic number, because the mean of its divisors is an integer number (2387856000).

Almost surely, 2^16506054047 is an apocalyptic number.

16506054047 is a deficient number, since it is larger than the sum of its proper divisors (2596793953).

16506054047 is an equidigital number, since it uses as much as digits as its factorization.

16506054047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29848285.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 16506054047 in words is "sixteen billion, five hundred six million, fifty-four thousand, forty-seven".