2116650551536 has 20 divisors (see below), whose sum is σ = 4101034508064. Its totient is φ = 1058319065600.

The previous prime is 2116650551513. The next prime is 2116650551539. The reversal of 2116650551536 is 6351550566112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116650551539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3780441 + ... + 4304071.

Almost surely, 2^{2116650551536} is an apocalyptic number.

It is an amenable number.

2116650551536 is a deficient number, since it is larger than the sum of its proper divisors (1984383956528).

2116650551536 is a wasteful number, since it uses less digits than its factorization.

2116650551536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776280 (or 776274 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 2116650551536 in words is "two trillion, one hundred sixteen billion, six hundred fifty million, five hundred fifty-one thousand, five hundred thirty-six".