63402016 has 24 divisors (see below), whose sum is σ = 128198700. Its totient is φ = 30843648.

The previous prime is 63401983. The next prime is 63402041. The reversal of 63402016 is 61020436.

It can be written as a sum of positive squares in 2 ways, for example, as 62410000 + 992016 = 7900^2 + 996^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25591 + ... + 27958.

Almost surely, 2^63402016 is an apocalyptic number.

It is an amenable number.

63402016 is an abundant number, since it is smaller than the sum of its proper divisors (64796684).

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

63402016 is a wasteful number, since it uses less digits than its factorization.

63402016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53596 (or 53588 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 63402016 is about 7962.5382887619. The cubic root of 63402016 is about 398.7502996889.

The spelling of 63402016 in words is "sixty-three million, four hundred two thousand, sixteen".