66035652623461 has 8 divisors (see below), whose sum is σ = 66126314198880. Its totient is φ = 65944992608112.

The previous prime is 66035652623443. The next prime is 66035652623513. The reversal of 66035652623461 is 16432625653066.

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 66035652623461 - 2¹⁵ = 66035652590693 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 (66035652623261) 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, 103165146 + ... + 103803268.

It is an arithmetic number, because the mean of its divisors is an integer number (8265789274860).

Almost surely, 2^{66035652623461} is an apocalyptic number.

It is an amenable number.

66035652623461 is a deficient number, since it is larger than the sum of its proper divisors (90661575419).

66035652623461 is a wasteful number, since it uses less digits than its factorization.

66035652623461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780035.

The product of its (nonzero) digits is 27993600, while the sum is 55.

The spelling of 66035652623461 in words is "sixty-six trillion, thirty-five billion, six hundred fifty-two million, six hundred twenty-three thousand, four hundred sixty-one".