65161371 has 16 divisors (see below), whose sum is σ = 95131008. Its totient is φ = 39345600.

The previous prime is 65161367. The next prime is 65161373. The reversal of 65161371 is 17316156.

65161371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65161371 - 2² = 65161367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65161373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5760 + ... + 12786.

It is an arithmetic number, because the mean of its divisors is an integer number (5945688).

Almost surely, 2^65161371 is an apocalyptic number.

65161371 is a deficient number, since it is larger than the sum of its proper divisors (29969637).

65161371 is a wasteful number, since it uses less digits than its factorization.

65161371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7322.

The product of its digits is 3780, while the sum is 30.

The square root of 65161371 is about 8072.2593491537. The cubic root of 65161371 is about 402.4050334701.

It can be divided in two parts, 6516 and 1371, that added together give a palindrome (7887).

The spelling of 65161371 in words is "sixty-five million, one hundred sixty-one thousand, three hundred seventy-one".