63465533660 has 12 divisors (see below), whose sum is σ = 133277620728. Its totient is φ = 25386213456.

The previous prime is 63465533653. The next prime is 63465533689. The reversal of 63465533660 is 6633556436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586638322 + ... + 1586638361.

It is an arithmetic number, because the mean of its divisors is an integer number (11106468394).

Almost surely, 2^63465533660 is an apocalyptic number.

It is an amenable number.

63465533660 is an abundant number, since it is smaller than the sum of its proper divisors (69812087068).

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

63465533660 is a wasteful number, since it uses less digits than its factorization.

63465533660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173276692 (or 3173276690 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 47.

The spelling of 63465533660 in words is "sixty-three billion, four hundred sixty-five million, five hundred thirty-three thousand, six hundred sixty".