63116649 has 12 divisors (see below), whose sum is σ = 92054976. Its totient is φ = 41668632.

The previous prime is 63116621. The next prime is 63116659. The reversal of 63116649 is 94661136.

63116649 is a `hidden beast` number, since 6 + 3 + 1 + 1 + 6 + 649 = 666.

63116649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63116649 - 2¹³ = 63108457 is a prime.

It is a super-2 number, since 2×63116649² = 7967422761978402, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63116659) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 33117 + ... + 34970.

It is an arithmetic number, because the mean of its divisors is an integer number (7671248).

Almost surely, 2^63116649 is an apocalyptic number.

It is an amenable number.

63116649 is a deficient number, since it is larger than the sum of its proper divisors (28938327).

63116649 is a wasteful number, since it uses less digits than its factorization.

63116649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68196 (or 68193 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 63116649 is about 7944.5987312136. The cubic root of 63116649 is about 398.1511529948.

The spelling of 63116649 in words is "sixty-three million, one hundred sixteen thousand, six hundred forty-nine".