16554471077611 has 4 divisors (see below), whose sum is σ = 16568608116424. Its totient is φ = 16540334038800.

The previous prime is 16554471077549. The next prime is 16554471077681. The reversal of 16554471077611 is 11677017445561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16554471077611 - 2²¹ = 16554468980459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16554471077681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7068517650 + ... + 7068519991.

It is an arithmetic number, because the mean of its divisors is an integer number (4142152029106).

Almost surely, 2^{16554471077611} is an apocalyptic number.

16554471077611 is a deficient number, since it is larger than the sum of its proper divisors (14137038813).

16554471077611 is a wasteful number, since it uses less digits than its factorization.

16554471077611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14137038812.

The product of its (nonzero) digits is 4939200, while the sum is 55.

The spelling of 16554471077611 in words is "sixteen trillion, five hundred fifty-four billion, four hundred seventy-one million, seventy-seven thousand, six hundred eleven".