660103301 has 32 divisors (see below), whose sum is σ = 819799680. Its totient is φ = 523998720.

The previous prime is 660103271. The next prime is 660103331. The reversal of 660103301 is 103301066.

It is an interprime number because it is at equal distance from previous prime (660103271) and next prime (660103331).

It is not a de Polignac number, because 660103301 - 2¹⁸ = 659841157 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 (660103331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 980501 + ... + 981173.

It is an arithmetic number, because the mean of its divisors is an integer number (25618740).

Almost surely, 2^660103301 is an apocalyptic number.

It is an amenable number.

660103301 is a deficient number, since it is larger than the sum of its proper divisors (159696379).

660103301 is a wasteful number, since it uses less digits than its factorization.

660103301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 660103301 is about 25692.4755716533. The cubic root of 660103301 is about 870.7041909505.

Adding to 660103301 its reverse (103301066), we get a palindrome (763404367).

The spelling of 660103301 in words is "six hundred sixty million, one hundred three thousand, three hundred one".