3666139486 has 4 divisors (see below), whose sum is σ = 5499209232. Its totient is φ = 1833069742.

The previous prime is 3666139481. The next prime is 3666139489. The reversal of 3666139486 is 6849316663.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666139481) 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 as a sum of consecutive naturals, namely, 916534870 + ... + 916534873.

It is an arithmetic number, because the mean of its divisors is an integer number (1374802308).

Almost surely, 2^3666139486 is an apocalyptic number.

3666139486 is a deficient number, since it is larger than the sum of its proper divisors (1833069746).

3666139486 is a wasteful number, since it uses less digits than its factorization.

3666139486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833069745.

The product of its digits is 3359232, while the sum is 52.

The square root of 3666139486 is about 60548.6538743844. The cubic root of 3666139486 is about 1541.9477640026.

The spelling of 3666139486 in words is "three billion, six hundred sixty-six million, one hundred thirty-nine thousand, four hundred eighty-six".