65234533661 has 8 divisors (see below), whose sum is σ = 71855868864. Its totient is φ = 58728352320.

The previous prime is 65234533607. The next prime is 65234533681. The reversal of 65234533661 is 16633543256.

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

It is not a de Polignac number, because 65234533661 - 2⁶ = 65234533597 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 (65234533601) 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, 28787276 + ... + 28789541.

It is an arithmetic number, because the mean of its divisors is an integer number (8981983608).

Almost surely, 2^65234533661 is an apocalyptic number.

It is an amenable number.

65234533661 is a deficient number, since it is larger than the sum of its proper divisors (6621335203).

65234533661 is a wasteful number, since it uses less digits than its factorization.

65234533661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57576931.

The product of its digits is 1166400, while the sum is 44.

It can be divided in two parts, 65234 and 533661, that added together give a palindrome (598895).

The spelling of 65234533661 in words is "sixty-five billion, two hundred thirty-four million, five hundred thirty-three thousand, six hundred sixty-one".