65161103 has 8 divisors (see below), whose sum is σ = 75039360. Its totient is φ = 55425240.

The previous prime is 65161081. The next prime is 65161121. The reversal of 65161103 is 30116156.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 65161103 - 2¹⁰ = 65160079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65161133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34613 + ... + 36446.

It is an arithmetic number, because the mean of its divisors is an integer number (9379920).

Almost surely, 2^65161103 is an apocalyptic number.

65161103 is a deficient number, since it is larger than the sum of its proper divisors (9878257).

65161103 is a wasteful number, since it uses less digits than its factorization.

65161103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71197.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 65161103 is about 8072.2427490754. The cubic root of 65161103 is about 402.4044817900.

Adding to 65161103 its reverse (30116156), we get a palindrome (95277259).

The spelling of 65161103 in words is "sixty-five million, one hundred sixty-one thousand, one hundred three".