3665627601 has 16 divisors (see below), whose sum is σ = 5179204800. Its totient is φ = 2298134528.

The previous prime is 3665627587. The next prime is 3665627617. The reversal of 3665627601 is 1067265663.

It is not a de Polignac number, because 3665627601 - 2⁵ = 3665627569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3665627671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35665 + ... + 92753.

It is an arithmetic number, because the mean of its divisors is an integer number (323700300).

Almost surely, 2^3665627601 is an apocalyptic number.

It is an amenable number.

3665627601 is a deficient number, since it is larger than the sum of its proper divisors (1513577199).

3665627601 is a wasteful number, since it uses less digits than its factorization.

3665627601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58368.

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 3665627601 is about 60544.4266716599. The cubic root of 3665627601 is about 1541.8759958050.

The spelling of 3665627601 in words is "three billion, six hundred sixty-five million, six hundred twenty-seven thousand, six hundred one".