3731825666 has 8 divisors (see below), whose sum is σ = 5601306384. Its totient is φ = 1864723540.

The previous prime is 3731825659. The next prime is 3731825677. The reversal of 3731825666 is 6665281373.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3731825666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590720 + ... + 597003.

It is an arithmetic number, because the mean of its divisors is an integer number (700163298).

Almost surely, 2^3731825666 is an apocalyptic number.

3731825666 is a deficient number, since it is larger than the sum of its proper divisors (1869480718).

3731825666 is a wasteful number, since it uses less digits than its factorization.

3731825666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189296.

The product of its digits is 1088640, while the sum is 47.

The square root of 3731825666 is about 61088.6705208093. The cubic root of 3731825666 is about 1551.1023259578.

The spelling of 3731825666 in words is "three billion, seven hundred thirty-one million, eight hundred twenty-five thousand, six hundred sixty-six".