16464846461 has 16 divisors (see below), whose sum is σ = 19347138048. Its totient is φ = 13717641600.

The previous prime is 16464846403. The next prime is 16464846467.

16464846461 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16464846461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16464846467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28070 + ... + 183623.

It is an arithmetic number, because the mean of its divisors is an integer number (1209196128).

Almost surely, 2^16464846461 is an apocalyptic number.

It is an amenable number.

16464846461 is a deficient number, since it is larger than the sum of its proper divisors (2882291587).

16464846461 is a wasteful number, since it uses less digits than its factorization.

16464846461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212012.

The product of its digits is 2654208, while the sum is 50.

The spelling of 16464846461 in words is "sixteen billion, four hundred sixty-four million, eight hundred forty-six thousand, four hundred sixty-one".