3666659197 has 8 divisors (see below), whose sum is σ = 3932465760. Its totient is φ = 3408135120.

The previous prime is 3666659131. The next prime is 3666659209. The reversal of 3666659197 is 7919566663.

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

It is a cyclic number.

It is not a de Polignac number, because 3666659197 - 2¹¹ = 3666657149 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 (3666659597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819579 + ... + 1821592.

It is an arithmetic number, because the mean of its divisors is an integer number (491558220).

Almost surely, 2^3666659197 is an apocalyptic number.

It is an amenable number.

3666659197 is a deficient number, since it is larger than the sum of its proper divisors (265806563).

3666659197 is a wasteful number, since it uses less digits than its factorization.

3666659197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641243.

The product of its digits is 11022480, while the sum is 58.

The square root of 3666659197 is about 60552.9454031759. The cubic root of 3666659197 is about 1542.0206226007.

The spelling of 3666659197 in words is "three billion, six hundred sixty-six million, six hundred fifty-nine thousand, one hundred ninety-seven".