1463440546161 has 24 divisors (see below), whose sum is σ = 2385545722560. Its totient is φ = 856349743200.

The previous prime is 1463440546123. The next prime is 1463440546163. The reversal of 1463440546161 is 1616450443641.

1463440546161 is a `hidden beast` number, since 1 + 4 + 6 + 3 + 4 + 40 + 546 + 1 + 61 = 666.

It is not a de Polignac number, because 1463440546161 - 2⁷ = 1463440546033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1463440546163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254863125 + ... + 254868866.

It is an arithmetic number, because the mean of its divisors is an integer number (99397738440).

Almost surely, 2^{1463440546161} is an apocalyptic number.

1463440546161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1463440546161 is a deficient number, since it is larger than the sum of its proper divisors (922105176399).

1463440546161 is a wasteful number, since it uses less digits than its factorization.

1463440546161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509732037 (or 509732034 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 1463440546161 in words is "one trillion, four hundred sixty-three billion, four hundred forty million, five hundred forty-six thousand, one hundred sixty-one".