7666750342386 has 48 divisors (see below), whose sum is σ = 17786050097400. Its totient is φ = 2378229663744.

The previous prime is 7666750342379. The next prime is 7666750342387. The reversal of 7666750342386 is 6832430576667.

It can be written as a sum of positive squares in 4 ways, for example, as 4018096421361 + 3648653921025 = 2004519^2 + 1910145^2 .

It is not an unprimeable number, because it can be changed into a prime (7666750342387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140729731 + ... + 140784198.

Almost surely, 2^{7666750342386} is an apocalyptic number.

7666750342386 is an abundant number, since it is smaller than the sum of its proper divisors (10119299755014).

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

7666750342386 is a wasteful number, since it uses less digits than its factorization.

7666750342386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281514043 (or 281514040 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 63.

The spelling of 7666750342386 in words is "seven trillion, six hundred sixty-six billion, seven hundred fifty million, three hundred forty-two thousand, three hundred eighty-six".