66310412355 has 24 divisors (see below), whose sum is σ = 125386962480. Its totient is φ = 32150502720.

The previous prime is 66310412351. The next prime is 66310412369. The reversal of 66310412355 is 55321401366.

66310412355 is a `hidden beast` number, since 6 + 631 + 0 + 4 + 12 + 3 + 5 + 5 = 666.

It is not a de Polignac number, because 66310412355 - 2² = 66310412351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66310412351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66979720 + ... + 66980709.

It is an arithmetic number, because the mean of its divisors is an integer number (5224456770).

Almost surely, 2^66310412355 is an apocalyptic number.

66310412355 is a deficient number, since it is larger than the sum of its proper divisors (59076550125).

66310412355 is a wasteful number, since it uses less digits than its factorization.

66310412355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133960451 (or 133960448 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 66310412355 in words is "sixty-six billion, three hundred ten million, four hundred twelve thousand, three hundred fifty-five".