11646514463 has 8 divisors (see below), whose sum is σ = 12067985280. Its totient is φ = 11226368160.

The previous prime is 11646514459. The next prime is 11646514471. The reversal of 11646514463 is 36441564611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11646514463 - 2² = 11646514459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11646514463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11646511463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313208 + ... + 348413.

It is an arithmetic number, because the mean of its divisors is an integer number (1508498160).

Almost surely, 2^11646514463 is an apocalyptic number.

11646514463 is a deficient number, since it is larger than the sum of its proper divisors (421470817).

11646514463 is an equidigital number, since it uses as much as digits as its factorization.

11646514463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662257.

The product of its digits is 207360, while the sum is 41.

The spelling of 11646514463 in words is "eleven billion, six hundred forty-six million, five hundred fourteen thousand, four hundred sixty-three".