65274165 has 48 divisors (see below), whose sum is σ = 124338240. Its totient is φ = 31415040.

The previous prime is 65274151. The next prime is 65274199. The reversal of 65274165 is 56147256.

It is a happy number.

It is not a de Polignac number, because 65274165 - 2⁵ = 65274133 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80281 + ... + 81089.

It is an arithmetic number, because the mean of its divisors is an integer number (2590380).

Almost surely, 2^65274165 is an apocalyptic number.

It is an amenable number.

65274165 is a deficient number, since it is larger than the sum of its proper divisors (59064075).

65274165 is a wasteful number, since it uses less digits than its factorization.

65274165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 991 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 65274165 is about 8079.2428481882. The cubic root of 65274165 is about 402.6370866457.

It can be divided in two parts, 6 and 5274165, that multiplied together give a triangular number (31644990 = T₇₉₅₅).

The spelling of 65274165 in words is "sixty-five million, two hundred seventy-four thousand, one hundred sixty-five".