6507697165 has 24 divisors (see below), whose sum is σ = 8426976768. Its totient is φ = 4819103520.

The previous prime is 6507697139. The next prime is 6507697171. The reversal of 6507697165 is 5617967056.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-6507697165 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42312 + ... + 121678.

It is an arithmetic number, because the mean of its divisors is an integer number (351124032).

Almost surely, 2^6507697165 is an apocalyptic number.

It is an amenable number.

6507697165 is a deficient number, since it is larger than the sum of its proper divisors (1919279603).

6507697165 is a wasteful number, since it uses less digits than its factorization.

6507697165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79449 (or 79426 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 52.

The square root of 6507697165 is about 80670.2991503069. The cubic root of 6507697165 is about 1866.9919481856.

The spelling of 6507697165 in words is "six billion, five hundred seven million, six hundred ninety-seven thousand, one hundred sixty-five".