3666851487 has 24 divisors (see below), whose sum is σ = 5724633824. Its totient is φ = 2248357824.

The previous prime is 3666851479. The next prime is 3666851501. The reversal of 3666851487 is 7841586663.

It is not a de Polignac number, because 3666851487 - 2³ = 3666851479 is a prime.

It is a super-2 number, since 2×3666851487² = 26891599655428222338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666851417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24163 + ... + 88980.

Almost surely, 2^3666851487 is an apocalyptic number.

3666851487 is a deficient number, since it is larger than the sum of its proper divisors (2057782337).

3666851487 is a wasteful number, since it uses less digits than its factorization.

3666851487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113439 (or 113436 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 3666851487 is about 60554.5331663947. The cubic root of 3666851487 is about 1542.0475781067.

The spelling of 3666851487 in words is "three billion, six hundred sixty-six million, eight hundred fifty-one thousand, four hundred eighty-seven".