3753666663 has 8 divisors (see below), whose sum is σ = 5009601408. Its totient is φ = 2500088184.

The previous prime is 3753666629. The next prime is 3753666667. The reversal of 3753666663 is 3666663573.

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

It is not a de Polignac number, because 3753666663 - 2²¹ = 3751569511 is a prime.

It is a super-4 number, since 4×3753666663⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3753666667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585345 + ... + 591722.

It is an arithmetic number, because the mean of its divisors is an integer number (626200176).

Almost surely, 2^3753666663 is an apocalyptic number.

3753666663 is a deficient number, since it is larger than the sum of its proper divisors (1255934745).

3753666663 is a wasteful number, since it uses less digits than its factorization.

3753666663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178133.

The product of its digits is 7348320, while the sum is 51.

The square root of 3753666663 is about 61267.1744329702. The cubic root of 3753666663 is about 1554.1224513392.

The spelling of 3753666663 in words is "three billion, seven hundred fifty-three million, six hundred sixty-six thousand, six hundred sixty-three".