63416538 has 12 divisors (see below), whose sum is σ = 137402538. Its totient is φ = 21138840.

The previous prime is 63416513. The next prime is 63416569. The reversal of 63416538 is 83561436.

63416538 is a `hidden beast` number, since 634 + 16 + 5 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36759969 + 26656569 = 6063^2 + 5163^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1761553 + ... + 1761588.

Almost surely, 2^63416538 is an apocalyptic number.

63416538 is an abundant number, since it is smaller than the sum of its proper divisors (73986000).

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

63416538 is a wasteful number, since it uses less digits than its factorization.

63416538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523149 (or 3523146 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 63416538 is about 7963.4501316954. The cubic root of 63416538 is about 398.7807414643.

The spelling of 63416538 in words is "sixty-three million, four hundred sixteen thousand, five hundred thirty-eight".