665103630 has 16 divisors (see below), whose sum is σ = 1596248784. Its totient is φ = 177360960.

The previous prime is 665103619. The next prime is 665103641. The reversal of 665103630 is 36301566.

665103630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (665103619) and next prime (665103641).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 22170121 = 665103630 / (6 + 6 + 5 + 1 + 0 + 3 + 6 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11085031 + ... + 11085090.

It is an arithmetic number, because the mean of its divisors is an integer number (99765549).

Almost surely, 2^665103630 is an apocalyptic number.

665103630 is an abundant number, since it is smaller than the sum of its proper divisors (931145154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

665103630 is a wasteful number, since it uses less digits than its factorization.

665103630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22170131.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 665103630 is about 25789.6031376987. The cubic root of 665103630 is about 872.8972113339.

The spelling of 665103630 in words is "six hundred sixty-five million, one hundred three thousand, six hundred thirty".