63011648 has 84 divisors (see below), whose sum is σ = 148023072. Its totient is φ = 26530560.

The previous prime is 63011621. The next prime is 63011659. The reversal of 63011648 is 84611036.

It is a self number, because there is not a number n which added to its sum of digits gives 63011648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222515 + ... + 222797.

Almost surely, 2^63011648 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 63011648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74011536).

63011648 is an abundant number, since it is smaller than the sum of its proper divisors (85011424).

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

63011648 is a wasteful number, since it uses less digits than its factorization.

63011648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 63011648 is about 7937.9876543114. The cubic root of 63011648 is about 397.9302420607.

The spelling of 63011648 in words is "sixty-three million, eleven thousand, six hundred forty-eight".