66230849718 has 32 divisors (see below), whose sum is σ = 160559637120. Its totient is φ = 20069954280.

The previous prime is 66230849689. The next prime is 66230849719. The reversal of 66230849718 is 81794803266.

66230849718 is a `hidden beast` number, since 6 + 623 + 0 + 8 + 4 + 9 + 7 + 1 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66230849719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55749280 + ... + 55750467.

It is an arithmetic number, because the mean of its divisors is an integer number (5017488660).

Almost surely, 2^66230849718 is an apocalyptic number.

66230849718 is an abundant number, since it is smaller than the sum of its proper divisors (94328787402).

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

66230849718 is a wasteful number, since it uses less digits than its factorization.

66230849718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111499769 (or 111499763 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 66230849718 in words is "sixty-six billion, two hundred thirty million, eight hundred forty-nine thousand, seven hundred eighteen".