461648863516 has 24 divisors (see below), whose sum is σ = 821480418416. Its totient is φ = 226943406720.

The previous prime is 461648863463. The next prime is 461648863589. The reversal of 461648863516 is 615368846164.

It is a super-2 number, since 2×461648863516² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169600 + ... + 975736.

Almost surely, 2^461648863516 is an apocalyptic number.

It is an amenable number.

461648863516 is a deficient number, since it is larger than the sum of its proper divisors (359831554900).

461648863516 is a wasteful number, since it uses less digits than its factorization.

461648863516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808549 (or 808547 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 58.

The spelling of 461648863516 in words is "four hundred sixty-one billion, six hundred forty-eight million, eight hundred sixty-three thousand, five hundred sixteen".