2116090440621 has 20 divisors (see below), whose sum is σ = 3161112946464. Its totient is φ = 1410709300200.

The previous prime is 2116090440619. The next prime is 2116090440727. The reversal of 2116090440621 is 1260440906112.

2116090440621 is a `hidden beast` number, since 2 + 1 + 1 + 609 + 0 + 4 + 40 + 6 + 2 + 1 = 666.

It is not a de Polignac number, because 2116090440621 - 2¹ = 2116090440619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116090440421) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 11143056 + ... + 11331366.

Almost surely, 2^{2116090440621} is an apocalyptic number.

It is an amenable number.

2116090440621 is a deficient number, since it is larger than the sum of its proper divisors (1045022505843).

2116090440621 is a wasteful number, since it uses less digits than its factorization.

2116090440621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327054 (or 327045 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 2116090440621 in words is "two trillion, one hundred sixteen billion, ninety million, four hundred forty thousand, six hundred twenty-one".