65655066397 has 8 divisors (see below), whose sum is σ = 65864268576. Its totient is φ = 65446085232.

The previous prime is 65655066353. The next prime is 65655066517. The reversal of 65655066397 is 79366055656.

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 65655066397 - 2²⁷ = 65520848669 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 (65655066797) 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, 550338 + ... + 658924.

It is an arithmetic number, because the mean of its divisors is an integer number (8233033572).

Almost surely, 2^65655066397 is an apocalyptic number.

It is an amenable number.

65655066397 is a deficient number, since it is larger than the sum of its proper divisors (209202179).

65655066397 is a wasteful number, since it uses less digits than its factorization.

65655066397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110507.

The product of its (nonzero) digits is 30618000, while the sum is 58.

The spelling of 65655066397 in words is "sixty-five billion, six hundred fifty-five million, sixty-six thousand, three hundred ninety-seven".