6889166001 has 27 divisors (see below), whose sum is σ = 10115891019. Its totient is φ = 4517910432.

The previous prime is 6889165993. The next prime is 6889166017. The reversal of 6889166001 is 1006619886.

It is a happy number.

The square root of 6889166001 is 83001.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3910626225 + 2978539776 = 62535^2 + 54576^2 .

It is not a de Polignac number, because 6889166001 - 2³ = 6889165993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6889166051) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18177030 + ... + 18177408.

Almost surely, 2^6889166001 is an apocalyptic number.

6889166001 is the 83001-st square number.

6889166001 is the 41501-st centered octagonal number.

It is an amenable number.

6889166001 is a deficient number, since it is larger than the sum of its proper divisors (3226725018).

6889166001 is an frugal number, since it uses more digits than its factorization.

6889166001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The cubic root of 6889166001 is about 1902.7813375074.

The spelling of 6889166001 in words is "six billion, eight hundred eighty-nine million, one hundred sixty-six thousand, one".