166007303 has 16 divisors (see below), whose sum is σ = 207285504. Its totient is φ = 129159360.

The previous prime is 166007299. The next prime is 166007321. The reversal of 166007303 is 303700661.

It is not a de Polignac number, because 166007303 - 2² = 166007299 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 (166007323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68651 + ... + 71027.

It is an arithmetic number, because the mean of its divisors is an integer number (12955344).

Almost surely, 2^166007303 is an apocalyptic number.

166007303 is a deficient number, since it is larger than the sum of its proper divisors (41278201).

166007303 is a wasteful number, since it uses less digits than its factorization.

166007303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 166007303 is about 12884.3821349726. The cubic root of 166007303 is about 549.5945253892.

Adding to 166007303 its reverse (303700661), we get a palindrome (469707964).

The spelling of 166007303 in words is "one hundred sixty-six million, seven thousand, three hundred three".