16655128071 has 8 divisors (see below), whose sum is σ = 22259838720. Its totient is φ = 11076918072.

The previous prime is 16655128057. The next prime is 16655128073. The reversal of 16655128071 is 17082155661.

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

It is not a de Polignac number, because 16655128071 - 2⁷ = 16655127943 is a prime.

It is a super-2 number, since 2×16655128071² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16655128073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6623695 + ... + 6626208.

It is an arithmetic number, because the mean of its divisors is an integer number (2782479840).

Almost surely, 2^16655128071 is an apocalyptic number.

16655128071 is a deficient number, since it is larger than the sum of its proper divisors (5604710649).

16655128071 is a wasteful number, since it uses less digits than its factorization.

16655128071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13250325.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 16655128071 in words is "sixteen billion, six hundred fifty-five million, one hundred twenty-eight thousand, seventy-one".