6165213655 has 8 divisors (see below), whose sum is σ = 7398745200. Its totient is φ = 4931845056.

The previous prime is 6165213631. The next prime is 6165213661. The reversal of 6165213655 is 5563125616.

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 6165213655 - 2¹³ = 6165205463 is a prime.

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, 69756 + ... + 131134.

It is an arithmetic number, because the mean of its divisors is an integer number (924843150).

Almost surely, 2^6165213655 is an apocalyptic number.

6165213655 is a deficient number, since it is larger than the sum of its proper divisors (1233531545).

6165213655 is a wasteful number, since it uses less digits than its factorization.

6165213655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81473.

The product of its digits is 162000, while the sum is 40.

The square root of 6165213655 is about 78518.8745143485. The cubic root of 6165213655 is about 1833.6483157058.

The spelling of 6165213655 in words is "six billion, one hundred sixty-five million, two hundred thirteen thousand, six hundred fifty-five".