16955008065 has 24 divisors (see below), whose sum is σ = 29472916200. Its totient is φ = 9016752384.

The previous prime is 16955008027. The next prime is 16955008069. The reversal of 16955008065 is 56080055961.

It is a happy number.

16955008065 is a `hidden beast` number, since 1 + 6 + 9 + 5 + 500 + 80 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 94245264 + 16860762801 = 9708^2 + 129849^2 .

It is not a de Polignac number, because 16955008065 - 2⁶ = 16955008001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16955008065.

It is not an unprimeable number, because it can be changed into a prime (16955008069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 524092 + ... + 555501.

It is an arithmetic number, because the mean of its divisors is an integer number (1228038175).

Almost surely, 2^16955008065 is an apocalyptic number.

16955008065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16955008065 is a deficient number, since it is larger than the sum of its proper divisors (12517908135).

16955008065 is a wasteful number, since it uses less digits than its factorization.

16955008065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079953 (or 1079950 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 16955008065 in words is "sixteen billion, nine hundred fifty-five million, eight thousand, sixty-five".