66443631436314 has 32 divisors (see below), whose sum is σ = 161075470150080. Its totient is φ = 20134433768400.

The previous prime is 66443631436283. The next prime is 66443631436321. The reversal of 66443631436314 is 41363413634466.

66443631436314 is a `hidden beast` number, since 6 + 6 + 4 + 4 + 3 + 6 + 314 + 3 + 6 + 314 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55928982097 + ... + 55928983284.

It is an arithmetic number, because the mean of its divisors is an integer number (5033608442190).

Almost surely, 2^{66443631436314} is an apocalyptic number.

66443631436314 is an abundant number, since it is smaller than the sum of its proper divisors (94631838713766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66443631436314 is a wasteful number, since it uses less digits than its factorization.

66443631436314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111857965403 (or 111857965397 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 54.

The spelling of 66443631436314 in words is "sixty-six trillion, four hundred forty-three billion, six hundred thirty-one million, four hundred thirty-six thousand, three hundred fourteen".