3665500071 has 8 divisors (see below), whose sum is σ = 4898943984. Its totient is φ = 2437861440.

The previous prime is 3665500057. The next prime is 3665500073. The reversal of 3665500071 is 1700055663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3665500071 - 2⁹ = 3665499559 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665500073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449846 + ... + 1452371.

It is an arithmetic number, because the mean of its divisors is an integer number (612367998).

Almost surely, 2^3665500071 is an apocalyptic number.

3665500071 is a deficient number, since it is larger than the sum of its proper divisors (1233443913).

3665500071 is a wasteful number, since it uses less digits than its factorization.

3665500071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902641.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 3665500071 is about 60543.3734689437. The cubic root of 3665500071 is about 1541.8581145809.

The spelling of 3665500071 in words is "three billion, six hundred sixty-five million, five hundred thousand, seventy-one".