65343166323551 has 8 divisors (see below), whose sum is σ = 68990081798400. Its totient is φ = 61717030994520.

The previous prime is 65343166323499. The next prime is 65343166323599. The reversal of 65343166323551 is 15532366134356.

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 65343166323551 - 2²² = 65343162129247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65343166323493 and 65343166323502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65343166343551) 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, 5195029991 + ... + 5195042568.

It is an arithmetic number, because the mean of its divisors is an integer number (8623760224800).

Almost surely, 2^{65343166323551} is an apocalyptic number.

65343166323551 is a deficient number, since it is larger than the sum of its proper divisors (3646915474849).

65343166323551 is a wasteful number, since it uses less digits than its factorization.

65343166323551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10390072909.

The product of its digits is 17496000, while the sum is 53.

The spelling of 65343166323551 in words is "sixty-five trillion, three hundred forty-three billion, one hundred sixty-six million, three hundred twenty-three thousand, five hundred fifty-one".