6533969920736 has 48 divisors (see below), whose sum is σ = 13656961012464. Its totient is φ = 3066565822464.

The previous prime is 6533969920727. The next prime is 6533969920739. The reversal of 6533969920736 is 6370299693356.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6533969920739) 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, 15897590 + ... + 16303413.

It is an arithmetic number, because the mean of its divisors is an integer number (284520021093).

Almost surely, 2^{6533969920736} is an apocalyptic number.

It is an amenable number.

6533969920736 is an abundant number, since it is smaller than the sum of its proper divisors (7122991091728).

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

6533969920736 is a wasteful number, since it uses less digits than its factorization.

6533969920736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32201403 (or 32201395 counting only the distinct ones).

The product of its (nonzero) digits is 297606960, while the sum is 68.

The spelling of 6533969920736 in words is "six trillion, five hundred thirty-three billion, nine hundred sixty-nine million, nine hundred twenty thousand, seven hundred thirty-six".