6533516421432 has 768 divisors, whose sum is σ = 24275757542400. Its totient is φ = 1532526428160.

The previous prime is 6533516421371. The next prime is 6533516421449. The reversal of 6533516421432 is 2341246153356.

6533516421432 is a `hidden beast` number, since 6 + 5 + 3 + 35 + 164 + 21 + 432 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1447708008 + ... + 1447712520.

It is an arithmetic number, because the mean of its divisors is an integer number (31609059300).

Almost surely, 2^{6533516421432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6533516421432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12137878771200).

6533516421432 is an abundant number, since it is smaller than the sum of its proper divisors (17742241120968).

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

6533516421432 is a wasteful number, since it uses less digits than its factorization.

6533516421432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988 (or 4981 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 6533516421432 in words is "six trillion, five hundred thirty-three billion, five hundred sixteen million, four hundred twenty-one thousand, four hundred thirty-two".