6664554035040 has 192 divisors, whose sum is σ = 23224393446912. Its totient is φ = 1592893747200.

The previous prime is 6664554035011. The next prime is 6664554035047. The reversal of 6664554035040 is 405304554666.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6664554035047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8514037 + ... + 9263796.

It is an arithmetic number, because the mean of its divisors is an integer number (120960382536).

Almost surely, 2^{6664554035040} is an apocalyptic number.

6664554035040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6664554035040 is an abundant number, since it is smaller than the sum of its proper divisors (16559839411872).

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

6664554035040 is a wasteful number, since it uses less digits than its factorization.

6664554035040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17777933 (or 17777925 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 6664554035040 in words is "six trillion, six hundred sixty-four billion, five hundred fifty-four million, thirty-five thousand, forty".