63057867666 has 16 divisors (see below), whose sum is σ = 126123425184. Its totient is φ = 21018007584.

The previous prime is 63057867599. The next prime is 63057867667. The reversal of 63057867666 is 66676875036.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63057867667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210931 + ... + 413046.

It is an arithmetic number, because the mean of its divisors is an integer number (7882714074).

Almost surely, 2^63057867666 is an apocalyptic number.

63057867666 is an abundant number, since it is smaller than the sum of its proper divisors (63065557518).

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

63057867666 is a wasteful number, since it uses less digits than its factorization.

63057867666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640825.

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 63057867666 in words is "sixty-three billion, fifty-seven million, eight hundred sixty-seven thousand, six hundred sixty-six".