6165261505413 has 40 divisors (see below), whose sum is σ = 9360053461088. Its totient is φ = 4043302202016.

The previous prime is 6165261505397. The next prime is 6165261505427. The reversal of 6165261505413 is 3145051625616.

6165261505413 is a `hidden beast` number, since 6 + 1 + 6 + 52 + 6 + 1 + 50 + 541 + 3 = 666.

It is not a de Polignac number, because 6165261505413 - 2⁴ = 6165261505397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6165261505213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3203070 + ... + 4752912.

Almost surely, 2^{6165261505413} is an apocalyptic number.

It is an amenable number.

6165261505413 is a deficient number, since it is larger than the sum of its proper divisors (3194791955675).

6165261505413 is a wasteful number, since it uses less digits than its factorization.

6165261505413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550655 (or 1550646 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 6165261505413 in words is "six trillion, one hundred sixty-five billion, two hundred sixty-one million, five hundred five thousand, four hundred thirteen".