16666430766469 has 8 divisors (see below), whose sum is σ = 18452927416608. Its totient is φ = 14925161879760.

The previous prime is 16666430766449. The next prime is 16666430766487. The reversal of 16666430766469 is 96466703466661.

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

It is not a de Polignac number, because 16666430766469 - 2⁵ = 16666430766437 is a prime.

It is a super-2 number, since 2×16666430766469² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16666430766398 and 16666430766407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16666430766449) 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, 11306940082 + ... + 11306941555.

It is an arithmetic number, because the mean of its divisors is an integer number (2306615927076).

Almost surely, 2^{16666430766469} is an apocalyptic number.

It is an amenable number.

16666430766469 is a deficient number, since it is larger than the sum of its proper divisors (1786496650139).

16666430766469 is a wasteful number, since it uses less digits than its factorization.

16666430766469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22613881715.

The product of its (nonzero) digits is 846526464, while the sum is 70.

The spelling of 16666430766469 in words is "sixteen trillion, six hundred sixty-six billion, four hundred thirty million, seven hundred sixty-six thousand, four hundred sixty-nine".