6677550247644 has 36 divisors (see below), whose sum is σ = 16879478517720. Its totient is φ = 2225834866080.

The previous prime is 6677550247639. The next prime is 6677550247649. The reversal of 6677550247644 is 4467420557766.

6677550247644 is a `hidden beast` number, since 6 + 6 + 7 + 7 + 550 + 2 + 4 + 76 + 4 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (6677550247639) and next prime (6677550247649).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6677550247649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5524662 + ... + 6623970.

It is an arithmetic number, because the mean of its divisors is an integer number (468874403270).

Almost surely, 2^{6677550247644} is an apocalyptic number.

It is an amenable number.

6677550247644 is an abundant number, since it is smaller than the sum of its proper divisors (10201928270076).

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

6677550247644 is a wasteful number, since it uses less digits than its factorization.

6677550247644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268050 (or 1268045 counting only the distinct ones).

The product of its (nonzero) digits is 237081600, while the sum is 63.

The spelling of 6677550247644 in words is "six trillion, six hundred seventy-seven billion, five hundred fifty million, two hundred forty-seven thousand, six hundred forty-four".