16966001 has 8 divisors (see below), whose sum is σ = 18309480. Its totient is φ = 15628032.

The previous prime is 16965997. The next prime is 16966007. The reversal of 16966001 is 10066961.

It can be written as a sum of positive squares in 4 ways, for example, as 1442401 + 15523600 = 1201^2 + 3940^2 .

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 16966001 - 2² = 16965997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16966007) 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, 6905 + ... + 9033.

It is an arithmetic number, because the mean of its divisors is an integer number (2288685).

Almost surely, 2^16966001 is an apocalyptic number.

It is an amenable number.

16966001 is a deficient number, since it is larger than the sum of its proper divisors (1343479).

16966001 is a wasteful number, since it uses less digits than its factorization.

16966001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 16966001 is about 4118.9805777644. The cubic root of 16966001 is about 256.9566309352.

The spelling of 16966001 in words is "sixteen million, nine hundred sixty-six thousand, one".