65136165 has 8 divisors (see below), whose sum is σ = 104217888. Its totient is φ = 34739280.

The previous prime is 65136139. The next prime is 65136173. The reversal of 65136165 is 56163156.

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

It is not a de Polignac number, because 65136165 - 2⁵ = 65136133 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, 2171191 + ... + 2171220.

It is an arithmetic number, because the mean of its divisors is an integer number (13027236).

Almost surely, 2^65136165 is an apocalyptic number.

It is an amenable number.

65136165 is a deficient number, since it is larger than the sum of its proper divisors (39081723).

65136165 is a wasteful number, since it uses less digits than its factorization.

65136165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342419.

The product of its digits is 16200, while the sum is 33.

The square root of 65136165 is about 8070.6979252107. The cubic root of 65136165 is about 402.3531401001.

The spelling of 65136165 in words is "sixty-five million, one hundred thirty-six thousand, one hundred sixty-five".