660103918 has 8 divisors (see below), whose sum is σ = 1006938360. Its totient is φ = 324457800.

The previous prime is 660103901. The next prime is 660103919. The reversal of 660103918 is 819301066.

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

It is a super-3 number, since 3×660103918³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660103919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2796933 + ... + 2797168.

It is an arithmetic number, because the mean of its divisors is an integer number (125867295).

Almost surely, 2^660103918 is an apocalyptic number.

660103918 is a deficient number, since it is larger than the sum of its proper divisors (346834442).

660103918 is a wasteful number, since it uses less digits than its factorization.

660103918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594162.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 660103918 is about 25692.4875790570. The cubic root of 660103918 is about 870.7044622334.

The spelling of 660103918 in words is "six hundred sixty million, one hundred three thousand, nine hundred eighteen".