3664925161 has 8 divisors (see below), whose sum is σ = 3893758344. Its totient is φ = 3437564160.

The previous prime is 3664925081. The next prime is 3664925171. The reversal of 3664925161 is 1615294663.

It can be written as a sum of positive squares in 4 ways, for example, as 787139136 + 2877786025 = 28056^2 + 53645^2 .

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 3664925161 - 2¹¹ = 3664923113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3664925171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362910 + ... + 372871.

It is an arithmetic number, because the mean of its divisors is an integer number (486719793).

Almost surely, 2^3664925161 is an apocalyptic number.

It is an amenable number.

3664925161 is a deficient number, since it is larger than the sum of its proper divisors (228833183).

3664925161 is a wasteful number, since it uses less digits than its factorization.

3664925161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736091.

The product of its digits is 233280, while the sum is 43.

The square root of 3664925161 is about 60538.6253643077. The cubic root of 3664925161 is about 1541.7775002054. Note that the first 3 decimals are identical.

The spelling of 3664925161 in words is "three billion, six hundred sixty-four million, nine hundred twenty-five thousand, one hundred sixty-one".