3665630430 has 128 divisors (see below), whose sum is σ = 12187100160. Its totient is φ = 761685120.

The previous prime is 3665630429. The next prime is 3665630431. The reversal of 3665630430 is 340365663.

It is a happy number.

3665630430 is a `hidden beast` number, since 3 + 66 + 563 + 0 + 4 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (3665630429) and next prime (3665630431).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665630431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67369 + ... + 108948.

It is an arithmetic number, because the mean of its divisors is an integer number (95211720).

Almost surely, 2^3665630430 is an apocalyptic number.

3665630430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3665630430 is an abundant number, since it is smaller than the sum of its proper divisors (8521469730).

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

3665630430 is a wasteful number, since it uses less digits than its factorization.

3665630430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176351 (or 176345 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

The square root of 3665630430 is about 60544.4500346646. The cubic root of 3665630430 is about 1541.8763924598.

The spelling of 3665630430 in words is "three billion, six hundred sixty-five million, six hundred thirty thousand, four hundred thirty".