63066536820 has 360 divisors, whose sum is σ = 240155967744. Its totient is φ = 13788061056.

The previous prime is 63066536807. The next prime is 63066536831. The reversal of 63066536820 is 2863566036.

63066536820 is a `hidden beast` number, since 6 + 30 + 6 + 6 + 536 + 82 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1808469 + ... + 1843011.

Almost surely, 2^63066536820 is an apocalyptic number.

63066536820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63066536820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120077983872).

63066536820 is an abundant number, since it is smaller than the sum of its proper divisors (177089430924).

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

63066536820 is a wasteful number, since it uses less digits than its factorization.

63066536820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34601 (or 34583 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 63066536820 in words is "sixty-three billion, sixty-six million, five hundred thirty-six thousand, eight hundred twenty".