63146325666 has 16 divisors (see below), whose sum is σ = 126312020064. Its totient is φ = 21045547104.

The previous prime is 63146325647. The next prime is 63146325763. The reversal of 63146325666 is 66652364136.

It is a Curzon number.

It is an unprimeable number.

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, 764475 + ... + 843038.

It is an arithmetic number, because the mean of its divisors is an integer number (7894501254).

Almost surely, 2^63146325666 is an apocalyptic number.

63146325666 is an abundant number, since it is smaller than the sum of its proper divisors (63165694398).

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

63146325666 is a wasteful number, since it uses less digits than its factorization.

63146325666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614065.

The product of its digits is 2799360, while the sum is 48.

The spelling of 63146325666 in words is "sixty-three billion, one hundred forty-six million, three hundred twenty-five thousand, six hundred sixty-six".