2116251402366 has 16 divisors (see below), whose sum is σ = 4234312368000. Its totient is φ = 705115540248.

The previous prime is 2116251402347. The next prime is 2116251402367. The reversal of 2116251402366 is 6632041526112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116251402367) 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 7 ways as a sum of consecutive naturals, for example, 75383266 + ... + 75411333.

It is an arithmetic number, because the mean of its divisors is an integer number (264644523000).

Almost surely, 2^{2116251402366} is an apocalyptic number.

2116251402366 is an abundant number, since it is smaller than the sum of its proper divisors (2118060965634).

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

2116251402366 is a wasteful number, since it uses less digits than its factorization.

2116251402366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150796943.

The product of its (nonzero) digits is 103680, while the sum is 39.

Adding to 2116251402366 its reverse (6632041526112), we get a palindrome (8748292928478).

The spelling of 2116251402366 in words is "two trillion, one hundred sixteen billion, two hundred fifty-one million, four hundred two thousand, three hundred sixty-six".