16005415055 has 16 divisors (see below), whose sum is σ = 21960773184. Its totient is φ = 10969896960.

The previous prime is 16005415043. The next prime is 16005415061. The reversal of 16005415055 is 55051450061.

It is not a de Polignac number, because 16005415055 - 2⁶ = 16005414991 is a prime.

It is a super-2 number, since 2×16005415055² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34256 + ... + 182165.

It is an arithmetic number, because the mean of its divisors is an integer number (1372548324).

Almost surely, 2^16005415055 is an apocalyptic number.

16005415055 is a deficient number, since it is larger than the sum of its proper divisors (5955358129).

16005415055 is a wasteful number, since it uses less digits than its factorization.

16005415055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218546.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 16005415055 in words is "sixteen billion, five million, four hundred fifteen thousand, fifty-five".