3664665543 has 32 divisors (see below), whose sum is σ = 6115714560. Its totient is φ = 1896284160.

The previous prime is 3664665541. The next prime is 3664665559. The reversal of 3664665543 is 3455664663.

It is not a de Polignac number, because 3664665543 - 2¹ = 3664665541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3664665492 and 3664665501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664665541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28503 + ... + 90231.

It is an arithmetic number, because the mean of its divisors is an integer number (191116080).

Almost surely, 2^3664665543 is an apocalyptic number.

3664665543 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3664665543 is a deficient number, since it is larger than the sum of its proper divisors (2451049017).

3664665543 is a wasteful number, since it uses less digits than its factorization.

3664665543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62007.

The product of its digits is 4665600, while the sum is 48.

The square root of 3664665543 is about 60536.4810919829. The cubic root of 3664665543 is about 1541.7410935827.

The spelling of 3664665543 in words is "three billion, six hundred sixty-four million, six hundred sixty-five thousand, five hundred forty-three".