16001165055 has 8 divisors (see below), whose sum is σ = 25601864112. Its totient is φ = 8533954688.

The previous prime is 16001164999. The next prime is 16001165099. The reversal of 16001165055 is 55056110061.

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 16001165055 - 2¹¹ = 16001163007 is a prime.

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, 533372154 + ... + 533372183.

It is an arithmetic number, because the mean of its divisors is an integer number (3200233014).

Almost surely, 2^16001165055 is an apocalyptic number.

16001165055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16001165055 is a deficient number, since it is larger than the sum of its proper divisors (9600699057).

16001165055 is a wasteful number, since it uses less digits than its factorization.

16001165055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066744345.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 16001165055 in words is "sixteen billion, one million, one hundred sixty-five thousand, fifty-five".