2116622312604 has 36 divisors (see below), whose sum is σ = 5397699093696. Its totient is φ = 699297045888.

The previous prime is 2116622312591. The next prime is 2116622312621. The reversal of 2116622312604 is 4062132266112.

2116622312604 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 622 + 3 + 1 + 26 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 260151084 + ... + 260159219.

It is an arithmetic number, because the mean of its divisors is an integer number (149936085936).

Almost surely, 2^{2116622312604} is an apocalyptic number.

It is an amenable number.

2116622312604 is an abundant number, since it is smaller than the sum of its proper divisors (3281076781092).

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

2116622312604 is a wasteful number, since it uses less digits than its factorization.

2116622312604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520310426 (or 520310421 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 2116622312604 its reverse (4062132266112), we get a palindrome (6178754578716).

The spelling of 2116622312604 in words is "two trillion, one hundred sixteen billion, six hundred twenty-two million, three hundred twelve thousand, six hundred four".