7366003866 has 128 divisors (see below), whose sum is σ = 18633888000. Its totient is φ = 2138151168.

The previous prime is 7366003859. The next prime is 7366003867. The reversal of 7366003866 is 6683006637.

7366003866 is a `hidden beast` number, since 7 + 3 + 6 + 600 + 38 + 6 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (7366003867) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3586896 + ... + 3588948.

It is an arithmetic number, because the mean of its divisors is an integer number (145577250).

Almost surely, 2^7366003866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7366003866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9316944000).

7366003866 is an abundant number, since it is smaller than the sum of its proper divisors (11267884134).

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

7366003866 is a wasteful number, since it uses less digits than its factorization.

7366003866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 7366003866 is about 85825.4266869673. The cubic root of 7366003866 is about 1945.7064301477.

The spelling of 7366003866 in words is "seven billion, three hundred sixty-six million, three thousand, eight hundred sixty-six".