16246423406665 has 16 divisors (see below), whose sum is σ = 20068552361088. Its totient is φ = 12618862413696.

The previous prime is 16246423406657. The next prime is 16246423406699. The reversal of 16246423406665 is 56660432464261.

It is a cyclic number.

It is not a de Polignac number, because 16246423406665 - 2³ = 16246423406657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226205892 + ... + 226277701.

It is an arithmetic number, because the mean of its divisors is an integer number (1254284522568).

Almost surely, 2^{16246423406665} is an apocalyptic number.

It is an amenable number.

16246423406665 is a deficient number, since it is larger than the sum of its proper divisors (3822128954423).

16246423406665 is a wasteful number, since it uses less digits than its factorization.

16246423406665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452483808.

The product of its (nonzero) digits is 29859840, while the sum is 55.

The spelling of 16246423406665 in words is "sixteen trillion, two hundred forty-six billion, four hundred twenty-three million, four hundred six thousand, six hundred sixty-five".