3666434611 has 4 divisors (see below), whose sum is σ = 4190210992. Its totient is φ = 3142658232.

The previous prime is 3666434593. The next prime is 3666434641. The reversal of 3666434611 is 1164346663.

3666434611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-3666434611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3666434641) 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, 261888180 + ... + 261888193.

It is an arithmetic number, because the mean of its divisors is an integer number (1047552748).

Almost surely, 2^3666434611 is an apocalyptic number.

3666434611 is a deficient number, since it is larger than the sum of its proper divisors (523776381).

3666434611 is an equidigital number, since it uses as much as digits as its factorization.

3666434611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523776380.

The product of its digits is 186624, while the sum is 40.

The square root of 3666434611 is about 60551.0909150281. The cubic root of 3666434611 is about 1541.9891385989.

The spelling of 3666434611 in words is "three billion, six hundred sixty-six million, four hundred thirty-four thousand, six hundred eleven".