2116626435 has 192 divisors, whose sum is σ = 4800466944. Its totient is φ = 837273600.

The previous prime is 2116626431. The next prime is 2116626439. The reversal of 2116626435 is 5346266112.

2116626435 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 6 + 2 + 643 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2116626431) and next prime (2116626439).

It is not a de Polignac number, because 2116626435 - 2² = 2116626431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2116626435.

It is not an unprimeable number, because it can be changed into a prime (2116626431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6676897 + ... + 6677213.

It is an arithmetic number, because the mean of its divisors is an integer number (25002432).

Almost surely, 2^2116626435 is an apocalyptic number.

2116626435 is an abundant number, since it is smaller than the sum of its proper divisors (2683840509).

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

2116626435 is a wasteful number, since it uses less digits than its factorization.

2116626435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 431 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2116626435 is about 46006.8085722103. The cubic root of 2116626435 is about 1283.9498826771.

The spelling of 2116626435 in words is "two billion, one hundred sixteen million, six hundred twenty-six thousand, four hundred thirty-five".