3738510661 has 8 divisors (see below), whose sum is σ = 4009525920. Its totient is φ = 3474920592.

The previous prime is 3738510641. The next prime is 3738510683. The reversal of 3738510661 is 1660158373.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3738510661 - 2³¹ = 1591027013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3738510641) 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 in 7 ways as a sum of consecutive naturals, for example, 1855255 + ... + 1857268.

It is an arithmetic number, because the mean of its divisors is an integer number (501190740).

Almost surely, 2^3738510661 is an apocalyptic number.

It is an amenable number.

3738510661 is a deficient number, since it is larger than the sum of its proper divisors (271015259).

3738510661 is a wasteful number, since it uses less digits than its factorization.

3738510661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712595.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 3738510661 is about 61143.3615448153. The cubic root of 3738510661 is about 1552.0279610058.

The spelling of 3738510661 in words is "three billion, seven hundred thirty-eight million, five hundred ten thousand, six hundred sixty-one".