16866669331 has 8 divisors (see below), whose sum is σ = 17056814544. Its totient is φ = 16677454560.

The previous prime is 16866669319. The next prime is 16866669359. The reversal of 16866669331 is 13396666861.

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 16866669331 - 2²³ = 16858280723 is a prime.

It is a super-2 number, since 2×16866669331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16866669361) 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, 196120 + ... + 268693.

It is an arithmetic number, because the mean of its divisors is an integer number (2132101818).

Almost surely, 2^16866669331 is an apocalyptic number.

16866669331 is a deficient number, since it is larger than the sum of its proper divisors (190145213).

16866669331 is a wasteful number, since it uses less digits than its factorization.

16866669331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465221.

The product of its digits is 5038848, while the sum is 55.

The spelling of 16866669331 in words is "sixteen billion, eight hundred sixty-six million, six hundred sixty-nine thousand, three hundred thirty-one".