3661065103 has 4 divisors (see below), whose sum is σ = 3853752760. Its totient is φ = 3468377448.

The previous prime is 3661065101. The next prime is 3661065113. The reversal of 3661065103 is 3015601663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3661065103 - 2¹ = 3661065101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661065101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96343800 + ... + 96343837.

It is an arithmetic number, because the mean of its divisors is an integer number (963438190).

Almost surely, 2^3661065103 is an apocalyptic number.

3661065103 is a deficient number, since it is larger than the sum of its proper divisors (192687657).

3661065103 is a wasteful number, since it uses less digits than its factorization.

3661065103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192687656.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 3661065103 is about 60506.7360134390. The cubic root of 3661065103 is about 1541.2360210990.

Adding to 3661065103 its reverse (3015601663), we get a palindrome (6676666766).

The spelling of 3661065103 in words is "three billion, six hundred sixty-one million, sixty-five thousand, one hundred three".