6604155165 has 16 divisors (see below), whose sum is σ = 10567672128. Its totient is φ = 3521874816.

The previous prime is 6604155157. The next prime is 6604155191. The reversal of 6604155165 is 5615514066.

It is not a de Polignac number, because 6604155165 - 2³ = 6604155157 is a prime.

It is a super-2 number, since 2×6604155165² = 87229730886792354450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249874 + ... + 275036.

It is an arithmetic number, because the mean of its divisors is an integer number (660479508).

Almost surely, 2^6604155165 is an apocalyptic number.

It is an amenable number.

6604155165 is a deficient number, since it is larger than the sum of its proper divisors (3963516963).

6604155165 is a wasteful number, since it uses less digits than its factorization.

6604155165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42668.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 6604155165 is about 81265.9532953376. The cubic root of 6604155165 is about 1876.1710174752.

The spelling of 6604155165 in words is "six billion, six hundred four million, one hundred fifty-five thousand, one hundred sixty-five".