3750615666 has 24 divisors (see below), whose sum is σ = 9287239104. Its totient is φ = 1071604440.

The previous prime is 3750615653. The next prime is 3750615749. The reversal of 3750615666 is 6665160573.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14883270 + ... + 14883521.

It is an arithmetic number, because the mean of its divisors is an integer number (386968296).

Almost surely, 2^3750615666 is an apocalyptic number.

3750615666 is an abundant number, since it is smaller than the sum of its proper divisors (5536623438).

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

3750615666 is a wasteful number, since it uses less digits than its factorization.

3750615666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29766806 (or 29766803 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 3750615666 is about 61242.2702551106. The cubic root of 3750615666 is about 1553.7012713203.

The spelling of 3750615666 in words is "three billion, seven hundred fifty million, six hundred fifteen thousand, six hundred sixty-six".