16944266861 has 8 divisors (see below), whose sum is σ = 17851429920. Its totient is φ = 16038639792.

The previous prime is 16944266851. The next prime is 16944266873. The reversal of 16944266861 is 16866244961.

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 16944266861 - 2⁶ = 16944266797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16944266851) 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, 361310 + ... + 405503.

It is an arithmetic number, because the mean of its divisors is an integer number (2231428740).

Almost surely, 2^16944266861 is an apocalyptic number.

It is an amenable number.

16944266861 is a deficient number, since it is larger than the sum of its proper divisors (907163059).

16944266861 is a wasteful number, since it uses less digits than its factorization.

16944266861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767995.

The product of its digits is 2985984, while the sum is 53.

The spelling of 16944266861 in words is "sixteen billion, nine hundred forty-four million, two hundred sixty-six thousand, eight hundred sixty-one".