66730463430 has 32 divisors (see below), whose sum is σ = 160167055104. Its totient is φ = 17793241056.

The previous prime is 66730463419. The next prime is 66730463441. The reversal of 66730463430 is 3436403766.

It is an interprime number because it is at equal distance from previous prime (66730463419) and next prime (66730463441).

It is a Curzon number.

It is a congruent number.

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, 277197 + ... + 458583.

It is an arithmetic number, because the mean of its divisors is an integer number (5005220472).

Almost surely, 2^66730463430 is an apocalyptic number.

66730463430 is an abundant number, since it is smaller than the sum of its proper divisors (93436591674).

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

66730463430 is a wasteful number, since it uses less digits than its factorization.

66730463430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193660.

The product of its (nonzero) digits is 653184, while the sum is 42.

The spelling of 66730463430 in words is "sixty-six billion, seven hundred thirty million, four hundred sixty-three thousand, four hundred thirty".