3665688248 has 16 divisors (see below), whose sum is σ = 7094880960. Its totient is φ = 1773720000.

The previous prime is 3665688233. The next prime is 3665688263. The reversal of 3665688248 is 8428865663.

It is an interprime number because it is at equal distance from previous prime (3665688233) and next prime (3665688263).

It is a junction number, because it is equal to n+sod(n) for n = 3665688193 and 3665688202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7390253 + ... + 7390748.

It is an arithmetic number, because the mean of its divisors is an integer number (443430060).

Almost surely, 2^3665688248 is an apocalyptic number.

It is an amenable number.

3665688248 is a deficient number, since it is larger than the sum of its proper divisors (3429192712).

3665688248 is a wasteful number, since it uses less digits than its factorization.

3665688248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14781038 (or 14781034 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 56.

The square root of 3665688248 is about 60544.9275166797. The cubic root of 3665688248 is about 1541.8844990908.

The spelling of 3665688248 in words is "three billion, six hundred sixty-five million, six hundred eighty-eight thousand, two hundred forty-eight".