6366533053140 has 72 divisors (see below), whose sum is σ = 20797341314568. Its totient is φ = 1567146597120.

The previous prime is 6366533053087. The next prime is 6366533053141. The reversal of 6366533053140 is 413503356636.

6366533053140 is a `hidden beast` number, since 6 + 3 + 66 + 53 + 3 + 0 + 531 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 980503961616 + 5386029091524 = 990204^2 + 2320782^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6366533053141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1360367971 + ... + 1360372650.

Almost surely, 2^{6366533053140} is an apocalyptic number.

6366533053140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6366533053140 is an abundant number, since it is smaller than the sum of its proper divisors (14430808261428).

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

6366533053140 is a wasteful number, since it uses less digits than its factorization.

6366533053140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720740649 (or 2720740644 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 45.

The spelling of 6366533053140 in words is "six trillion, three hundred sixty-six billion, five hundred thirty-three million, fifty-three thousand, one hundred forty".