63016660 has 96 divisors (see below), whose sum is σ = 157989888. Its totient is φ = 20666880.

The previous prime is 63016621. The next prime is 63016691. The reversal of 63016660 is 6661036.

63016660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401302 + ... + 401458.

It is an arithmetic number, because the mean of its divisors is an integer number (1645728).

Almost surely, 2^63016660 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 63016660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78994944).

63016660 is an abundant number, since it is smaller than the sum of its proper divisors (94973228).

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

63016660 is a wasteful number, since it uses less digits than its factorization.

63016660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 63016660 is about 7938.3033451740. The cubic root of 63016660 is about 397.9407923508.

Adding to 63016660 its reverse (6661036), we get a palindrome (69677696).

The spelling of 63016660 in words is "sixty-three million, sixteen thousand, six hundred sixty".