6165566015655 has 8 divisors (see below), whose sum is σ = 9864905625072. Its totient is φ = 3288301875008.

The previous prime is 6165566015629. The next prime is 6165566015663. The reversal of 6165566015655 is 5565106655616.

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

It is a cyclic number.

It is not a de Polignac number, because 6165566015655 - 2⁶ = 6165566015591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6165566015595 and 6165566015604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205518867174 + ... + 205518867203.

It is an arithmetic number, because the mean of its divisors is an integer number (1233113203134).

Almost surely, 2^{6165566015655} is an apocalyptic number.

6165566015655 is a deficient number, since it is larger than the sum of its proper divisors (3699339609417).

6165566015655 is a wasteful number, since it uses less digits than its factorization.

6165566015655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411037734385.

The product of its (nonzero) digits is 24300000, while the sum is 57.

The spelling of 6165566015655 in words is "six trillion, one hundred sixty-five billion, five hundred sixty-six million, fifteen thousand, six hundred fifty-five".