16655241265 has 8 divisors (see below), whose sum is σ = 21523696488. Its totient is φ = 12299255040.

The previous prime is 16655241259. The next prime is 16655241269. The reversal of 16655241265 is 56214255661.

It can be written as a sum of positive squares in 4 ways, for example, as 497780721 + 16157460544 = 22311^2 + 127112^2 .

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

It is not a de Polignac number, because 16655241265 - 2⁵ = 16655241233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16655241269) 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, 128117176 + ... + 128117305.

It is an arithmetic number, because the mean of its divisors is an integer number (2690462061).

Almost surely, 2^16655241265 is an apocalyptic number.

It is an amenable number.

16655241265 is a deficient number, since it is larger than the sum of its proper divisors (4868455223).

16655241265 is a wasteful number, since it uses less digits than its factorization.

16655241265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256234499.

The product of its digits is 432000, while the sum is 43.

The spelling of 16655241265 in words is "sixteen billion, six hundred fifty-five million, two hundred forty-one thousand, two hundred sixty-five".