7585750066 has 16 divisors (see below), whose sum is σ = 11406853080. Its totient is φ = 3783479040.

The previous prime is 7585750063. The next prime is 7585750147. The reversal of 7585750066 is 6600575857.

It can be written as a sum of positive squares in 4 ways, for example, as 7578573025 + 7177041 = 87055^2 + 2679^2 .

It is not an unprimeable number, because it can be changed into a prime (7585750063) 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, 1542820 + ... + 1547728.

Almost surely, 2^7585750066 is an apocalyptic number.

7585750066 is a deficient number, since it is larger than the sum of its proper divisors (3821103014).

7585750066 is a wasteful number, since it uses less digits than its factorization.

7585750066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6669.

The product of its (nonzero) digits is 1764000, while the sum is 49.

The square root of 7585750066 is about 87096.2115479198. The cubic root of 7585750066 is about 1964.8655724090.

The spelling of 7585750066 in words is "seven billion, five hundred eighty-five million, seven hundred fifty thousand, sixty-six".