3666888705500 has 24 divisors (see below), whose sum is σ = 8008484933904. Its totient is φ = 1466755482000.

The previous prime is 3666888705479. The next prime is 3666888705503. The reversal of 3666888705500 is 55078886663.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666888705503) 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, 3666888206 + ... + 3666889205.

It is an arithmetic number, because the mean of its divisors is an integer number (333686872246).

Almost surely, 2^{3666888705500} is an apocalyptic number.

It is an amenable number.

3666888705500 is an abundant number, since it is smaller than the sum of its proper divisors (4341596228404).

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

3666888705500 is a wasteful number, since it uses less digits than its factorization.

3666888705500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333777430 (or 7333777418 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 3666888705500 in words is "three trillion, six hundred sixty-six billion, eight hundred eighty-eight million, seven hundred five thousand, five hundred".