3666139704 has 40 divisors (see below), whose sum is σ = 10268587560. Its totient is φ = 1222046352.

The previous prime is 3666139703. The next prime is 3666139727. The reversal of 3666139704 is 4079316663.

It is a self number, because there is not a number n which added to its sum of digits gives 3666139704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666139703) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2828164 + ... + 2829459.

It is an arithmetic number, because the mean of its divisors is an integer number (256714689).

Almost surely, 2^3666139704 is an apocalyptic number.

It is an amenable number.

3666139704 is an abundant number, since it is smaller than the sum of its proper divisors (6602447856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3666139704 is a wasteful number, since it uses less digits than its factorization.

3666139704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657641 (or 5657628 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 3666139704 is about 60548.6556745895. The cubic root of 3666139704 is about 1541.9477945656.

The spelling of 3666139704 in words is "three billion, six hundred sixty-six million, one hundred thirty-nine thousand, seven hundred four".