3665066615 has 16 divisors (see below), whose sum is σ = 5030303040. Its totient is φ = 2511225600.

The previous prime is 3665066593. The next prime is 3665066623. The reversal of 3665066615 is 5166605663.

It is not a de Polignac number, because 3665066615 - 2⁸ = 3665066359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5291 + ... + 85779.

It is an arithmetic number, because the mean of its divisors is an integer number (314393940).

Almost surely, 2^3665066615 is an apocalyptic number.

3665066615 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3665066615 is a deficient number, since it is larger than the sum of its proper divisors (1365236425).

3665066615 is a wasteful number, since it uses less digits than its factorization.

3665066615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81802.

The product of its (nonzero) digits is 583200, while the sum is 44.

The square root of 3665066615 is about 60539.7936484755. The cubic root of 3665066615 is about 1541.7973357891.

The spelling of 3665066615 in words is "three billion, six hundred sixty-five million, sixty-six thousand, six hundred fifteen".