16456133415661 has 8 divisors (see below), whose sum is σ = 16462260392000. Its totient is φ = 16450006893120.

The previous prime is 16456133415653. The next prime is 16456133415713. The reversal of 16456133415661 is 16651433165461.

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 16456133415661 - 2³ = 16456133415653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16456133415599 and 16456133415608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16456133418661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83827141 + ... + 84023221.

It is an arithmetic number, because the mean of its divisors is an integer number (2057782549000).

Almost surely, 2^{16456133415661} is an apocalyptic number.

It is an amenable number.

16456133415661 is a deficient number, since it is larger than the sum of its proper divisors (6126976339).

16456133415661 is a wasteful number, since it uses less digits than its factorization.

16456133415661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226899.

The product of its digits is 4665600, while the sum is 52.

The spelling of 16456133415661 in words is "sixteen trillion, four hundred fifty-six billion, one hundred thirty-three million, four hundred fifteen thousand, six hundred sixty-one".