2140925533866 has 72 divisors (see below), whose sum is σ = 5396569738560. Its totient is φ = 611629126416.

The previous prime is 2140925533811. The next prime is 2140925533913. The reversal of 2140925533866 is 6683355290412.

It is a happy number.

2140925533866 is a `hidden beast` number, since 2 + 1 + 4 + 0 + 9 + 2 + 553 + 3 + 86 + 6 = 666.

It is a super-2 number, since 2×2140925533866² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8669125 + ... + 8912663.

It is an arithmetic number, because the mean of its divisors is an integer number (74952357480).

Almost surely, 2^{2140925533866} is an apocalyptic number.

2140925533866 is an abundant number, since it is smaller than the sum of its proper divisors (3255644204694).

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

2140925533866 is a wasteful number, since it uses less digits than its factorization.

2140925533866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253528 (or 253518 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 2140925533866 in words is "two trillion, one hundred forty billion, nine hundred twenty-five million, five hundred thirty-three thousand, eight hundred sixty-six".