63690765336 has 192 divisors, whose sum is σ = 209734012800. Its totient is φ = 17208806400.

The previous prime is 63690765331. The next prime is 63690765361. The reversal of 63690765336 is 63356709636.

It is a happy number.

63690765336 is a `hidden beast` number, since 6 + 36 + 9 + 0 + 76 + 533 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63690765331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131331 + ... + 380301.

It is an arithmetic number, because the mean of its divisors is an integer number (1092364650).

Almost surely, 2^63690765336 is an apocalyptic number.

63690765336 is a gapful number since it is divisible by the number (66) 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 63690765336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104867006400).

63690765336 is an abundant number, since it is smaller than the sum of its proper divisors (146043247464).

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

63690765336 is a wasteful number, since it uses less digits than its factorization.

63690765336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249030 (or 249023 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 54.

The spelling of 63690765336 in words is "sixty-three billion, six hundred ninety million, seven hundred sixty-five thousand, three hundred thirty-six".