65276622661 has 8 divisors (see below), whose sum is σ = 72754130880. Its totient is φ = 58203304128.

The previous prime is 65276622643. The next prime is 65276622689. The reversal of 65276622661 is 16622667256.

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 65276622661 - 2¹¹ = 65276620613 is a prime.

It is a super-2 number, since 2×65276622661² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65276622611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101047081 + ... + 101047726.

It is an arithmetic number, because the mean of its divisors is an integer number (9094266360).

Almost surely, 2^65276622661 is an apocalyptic number.

It is an amenable number.

65276622661 is a deficient number, since it is larger than the sum of its proper divisors (7477508219).

65276622661 is a wasteful number, since it uses less digits than its factorization.

65276622661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202094843.

The product of its digits is 2177280, while the sum is 49.

The spelling of 65276622661 in words is "sixty-five billion, two hundred seventy-six million, six hundred twenty-two thousand, six hundred sixty-one".