2216951181126 has 48 divisors (see below), whose sum is σ = 5311848194640. Its totient is φ = 662600597760.

The previous prime is 2216951181121. The next prime is 2216951181131. The reversal of 2216951181126 is 6211811596122.

2216951181126 is a `hidden beast` number, since 2 + 2 + 1 + 6 + 9 + 511 + 8 + 1 + 126 = 666.

It is an interprime number because it is at equal distance from previous prime (2216951181121) and next prime (2216951181131).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216951181121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76675431 + ... + 76704338.

It is an arithmetic number, because the mean of its divisors is an integer number (110663504055).

Almost surely, 2^{2216951181126} is an apocalyptic number.

2216951181126 is an abundant number, since it is smaller than the sum of its proper divisors (3094897013514).

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

2216951181126 is a wasteful number, since it uses less digits than its factorization.

2216951181126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153379861 (or 153379858 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The spelling of 2216951181126 in words is "two trillion, two hundred sixteen billion, nine hundred fifty-one million, one hundred eighty-one thousand, one hundred twenty-six".