103040066 has 4 divisors (see below), whose sum is σ = 154560102. Its totient is φ = 51520032.

The previous prime is 103040057. The next prime is 103040081. The reversal of 103040066 is 660040301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660040301 = 163 ⋅4049327.

It can be written as a sum of positive squares in only one way, i.e., 63664441 + 39375625 = 7979^2 + 6275^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25760015 + ... + 25760018.

Almost surely, 2^103040066 is an apocalyptic number.

103040066 is a deficient number, since it is larger than the sum of its proper divisors (51520036).

103040066 is an equidigital number, since it uses as much as digits as its factorization.

103040066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51520035.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 103040066 is about 10150.8652833145. The cubic root of 103040066 is about 468.8155872434.

Adding to 103040066 its reverse (660040301), we get a palindrome (763080367).

The spelling of 103040066 in words is "one hundred three million, forty thousand, sixty-six".