1616104265265 has 96 divisors (see below), whose sum is σ = 3321370241280. Its totient is φ = 711257928192.

The previous prime is 1616104265257. The next prime is 1616104265267. The reversal of 1616104265265 is 5625624016161.

1616104265265 is a `hidden beast` number, since 1 + 6 + 1 + 610 + 4 + 2 + 6 + 5 + 26 + 5 = 666.

It is not a de Polignac number, because 1616104265265 - 2³ = 1616104265257 is a prime.

It is a super-2 number, since 2×1616104265265² (a number of 25 digits) contains 22 as substring.

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 1616104265265.

It is not an unprimeable number, because it can be changed into a prime (1616104265267) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2914927 + ... + 3424763.

It is an arithmetic number, because the mean of its divisors is an integer number (34597606680).

Almost surely, 2^{1616104265265} is an apocalyptic number.

1616104265265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1616104265265 is an abundant number, since it is smaller than the sum of its proper divisors (1705265976015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1616104265265 is a wasteful number, since it uses less digits than its factorization.

1616104265265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510231 (or 510228 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 1616104265265 in words is "one trillion, six hundred sixteen billion, one hundred four million, two hundred sixty-five thousand, two hundred sixty-five".