66382446552 has 16 divisors (see below), whose sum is σ = 165956116440. Its totient is φ = 22127482176.

The previous prime is 66382446551. The next prime is 66382446553. The reversal of 66382446552 is 25564428366.

It is an interprime number because it is at equal distance from previous prime (66382446551) and next prime (66382446553).

It is a junction number, because it is equal to n+sod(n) for n = 66382446495 and 66382446504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66382446551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382967613 + ... + 1382967660.

Almost surely, 2^66382446552 is an apocalyptic number.

It is an amenable number.

66382446552 is an abundant number, since it is smaller than the sum of its proper divisors (99573669888).

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

66382446552 is a wasteful number, since it uses less digits than its factorization.

66382446552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765935282 (or 2765935278 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 51.

The spelling of 66382446552 in words is "sixty-six billion, three hundred eighty-two million, four hundred forty-six thousand, five hundred fifty-two".