7486820666644 has 144 divisors (see below), whose sum is σ = 15086221920000. Its totient is φ = 3242436341760.

The previous prime is 7486820666617. The next prime is 7486820666651. The reversal of 7486820666644 is 4466660286847.

It is a happy number.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7486820666644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4833324382 + ... + 4833325930.

It is an arithmetic number, because the mean of its divisors is an integer number (104765430000).

Almost surely, 2^{7486820666644} is an apocalyptic number.

It is an amenable number.

7486820666644 is an abundant number, since it is smaller than the sum of its proper divisors (7599401253356).

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

7486820666644 is a wasteful number, since it uses less digits than its factorization.

7486820666644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014 (or 3001 counting only the distinct ones).

The product of its (nonzero) digits is 445906944, while the sum is 67.

The spelling of 7486820666644 in words is "seven trillion, four hundred eighty-six billion, eight hundred twenty million, six hundred sixty-six thousand, six hundred forty-four".