66603002 has 8 divisors (see below), whose sum is σ = 100246356. Its totient is φ = 33187552.

The previous prime is 66602989. The next prime is 66603007. The reversal of 66603002 is 20030666.

It can be written as a sum of positive squares in 2 ways, for example, as 52548001 + 14055001 = 7249^2 + 3749^2 .

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

It is a super-3 number, since 3×66603002³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (66603007) by changing a digit.

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, 56243 + ... + 57414.

Almost surely, 2^66603002 is an apocalyptic number.

66603002 is a deficient number, since it is larger than the sum of its proper divisors (33643354).

66603002 is a wasteful number, since it uses less digits than its factorization.

66603002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113952.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 66603002 is about 8161.0662293600. The cubic root of 66603002 is about 405.3510181417.

Adding to 66603002 its reverse (20030666), we get a palindrome (86633668).

The spelling of 66603002 in words is "sixty-six million, six hundred three thousand, two".