16666833051 has 20 divisors (see below), whose sum is σ = 27160766424. Its totient is φ = 10101110400.

The previous prime is 16666833047. The next prime is 16666833061. The reversal of 16666833051 is 15033866661.

It is not a de Polignac number, because 16666833051 - 2² = 16666833047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16666832988 and 16666833006.

It is not an unprimeable number, because it can be changed into a prime (16666833061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9351990 + ... + 9353771.

Almost surely, 2^16666833051 is an apocalyptic number.

16666833051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16666833051 is a deficient number, since it is larger than the sum of its proper divisors (10493933373).

16666833051 is a wasteful number, since it uses less digits than its factorization.

16666833051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18705784 (or 18705775 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 16666833051 in words is "sixteen billion, six hundred sixty-six million, eight hundred thirty-three thousand, fifty-one".