65344062661 has 8 divisors (see below), whose sum is σ = 65637752544. Its totient is φ = 65050638000.

The previous prime is 65344062653. The next prime is 65344062737. The reversal of 65344062661 is 16626044356.

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 65344062661 - 2³ = 65344062653 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 (65344068661) 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, 436066 + ... + 566428.

It is an arithmetic number, because the mean of its divisors is an integer number (8204719068).

Almost surely, 2^65344062661 is an apocalyptic number.

It is an amenable number.

65344062661 is a deficient number, since it is larger than the sum of its proper divisors (293689883).

65344062661 is a wasteful number, since it uses less digits than its factorization.

65344062661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132611.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 65344062661 in words is "sixty-five billion, three hundred forty-four million, sixty-two thousand, six hundred sixty-one".