63461646 has 96 divisors (see below), whose sum is σ = 155271168. Its totient is φ = 18627840.

The previous prime is 63461627. The next prime is 63461659. The reversal of 63461646 is 64616436.

63461646 is a `hidden beast` number, since 6 + 3 + 4 + 6 + 1 + 646 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (62208) is a multiple of the sum of its prime divisors (243).

It is a self number, because there is not a number n which added to its sum of digits gives 63461646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 499635 + ... + 499761.

It is an arithmetic number, because the mean of its divisors is an integer number (1617408).

Almost surely, 2^63461646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63461646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77635584).

63461646 is an abundant number, since it is smaller than the sum of its proper divisors (91809522).

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

63461646 is a wasteful number, since it uses less digits than its factorization.

63461646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 243 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 63461646 is about 7966.2818177617. The cubic root of 63461646 is about 398.8752695846.

The spelling of 63461646 in words is "sixty-three million, four hundred sixty-one thousand, six hundred forty-six".