2001700166 has 8 divisors (see below), whose sum is σ = 3133095984. Its totient is φ = 957334840.

The previous prime is 2001700159. The next prime is 2001700199. The reversal of 2001700166 is 6610071002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21757565 + ... + 21757656.

It is an arithmetic number, because the mean of its divisors is an integer number (391636998).

Almost surely, 2^2001700166 is an apocalyptic number.

2001700166 is a deficient number, since it is larger than the sum of its proper divisors (1131395818).

2001700166 is a wasteful number, since it uses less digits than its factorization.

2001700166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43515246.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2001700166 is about 44740.3639457705. The cubic root of 2001700166 is about 1260.2779612678.

Adding to 2001700166 its reverse (6610071002), we get a palindrome (8611771168).

The spelling of 2001700166 in words is "two billion, one million, seven hundred thousand, one hundred sixty-six".