6612641566364 has 24 divisors (see below), whose sum is σ = 11824793315328. Its totient is φ = 3234206038320.

The previous prime is 6612641566361. The next prime is 6612641566367. The reversal of 6612641566364 is 4636651462166.

It is an interprime number because it is at equal distance from previous prime (6612641566361) and next prime (6612641566367).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6612641566361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9260804 + ... + 9949259.

It is an arithmetic number, because the mean of its divisors is an integer number (492699721472).

Almost surely, 2^{6612641566364} is an apocalyptic number.

It is an amenable number.

6612641566364 is a deficient number, since it is larger than the sum of its proper divisors (5212151748964).

6612641566364 is a wasteful number, since it uses less digits than its factorization.

6612641566364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19211945 (or 19211943 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 56.

The spelling of 6612641566364 in words is "six trillion, six hundred twelve billion, six hundred forty-one million, five hundred sixty-six thousand, three hundred sixty-four".