66062363544477 has 20 divisors (see below), whose sum is σ = 98698899688576. Its totient is φ = 44035708556520.

The previous prime is 66062363544467. The next prime is 66062363544521. The reversal of 66062363544477 is 77444536326066.

66062363544477 is a `hidden beast` number, since 6 + 6 + 0 + 6 + 23 + 63 + 544 + 4 + 7 + 7 = 666.

It is not a de Polignac number, because 66062363544477 - 2⁷ = 66062363544349 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 (66062363544467) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53713549 + ... + 54929682.

Almost surely, 2^{66062363544477} is an apocalyptic number.

It is an amenable number.

66062363544477 is a deficient number, since it is larger than the sum of its proper divisors (32636536144099).

66062363544477 is a wasteful number, since it uses less digits than its factorization.

66062363544477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108650750 (or 108650741 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 63.

The spelling of 66062363544477 in words is "sixty-six trillion, sixty-two billion, three hundred sixty-three million, five hundred forty-four thousand, four hundred seventy-seven".