63543366334536 has 128 divisors (see below), whose sum is σ = 176063944412160. Its totient is φ = 18950753888000.

The previous prime is 63543366334493. The next prime is 63543366334541.

It is a happy number.

63543366334536 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 63543366334536.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2682186 + ... + 11587961.

It is an arithmetic number, because the mean of its divisors is an integer number (1375499565720).

Almost surely, 2^{63543366334536} is an apocalyptic number.

63543366334536 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

63543366334536 is an abundant number, since it is smaller than the sum of its proper divisors (112520578077624).

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

63543366334536 is a wasteful number, since it uses less digits than its factorization.

63543366334536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14270435 (or 14270431 counting only the distinct ones).

The product of its digits is 377913600, while the sum is 60.

The spelling of 63543366334536 in words is "sixty-three trillion, five hundred forty-three billion, three hundred sixty-six million, three hundred thirty-four thousand, five hundred thirty-six".