63146661 has 16 divisors (see below), whose sum is σ = 89903616. Its totient is φ = 39329136.

The previous prime is 63146641. The next prime is 63146693. The reversal of 63146661 is 16664136.

63146661 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 63146661 - 2¹⁰ = 63145637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63146621) 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 15 ways as a sum of consecutive naturals, for example, 7675 + ... + 13608.

It is an arithmetic number, because the mean of its divisors is an integer number (5618976).

Almost surely, 2^63146661 is an apocalyptic number.

It is an amenable number.

63146661 is a deficient number, since it is larger than the sum of its proper divisors (26756955).

63146661 is a wasteful number, since it uses less digits than its factorization.

63146661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352.

The product of its digits is 15552, while the sum is 33.

The square root of 63146661 is about 7946.4873371824. The cubic root of 63146661 is about 398.2142500229.

The spelling of 63146661 in words is "sixty-three million, one hundred forty-six thousand, six hundred sixty-one".