3666625163 has 4 divisors (see below), whose sum is σ = 3669987048. Its totient is φ = 3663263280.

The previous prime is 3666625159. The next prime is 3666625169. The reversal of 3666625163 is 3615266663.

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 3666625163 - 2² = 3666625159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3666625169) 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, 1679306 + ... + 1681487.

It is an arithmetic number, because the mean of its divisors is an integer number (917496762).

Almost surely, 2^3666625163 is an apocalyptic number.

3666625163 is a deficient number, since it is larger than the sum of its proper divisors (3361885).

3666625163 is a wasteful number, since it uses less digits than its factorization.

3666625163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361884.

The product of its digits is 699840, while the sum is 44.

The square root of 3666625163 is about 60552.6643757316. The cubic root of 3666625163 is about 1542.0158515644.

The spelling of 3666625163 in words is "three billion, six hundred sixty-six million, six hundred twenty-five thousand, one hundred sixty-three".