2116305554 has 16 divisors (see below), whose sum is σ = 3666754656. Its totient is φ = 905371200.

The previous prime is 2116305553. The next prime is 2116305563. The reversal of 2116305554 is 4555036112.

It is a self number, because there is not a number n which added to its sum of digits gives 2116305554.

It is not an unprimeable number, because it can be changed into a prime (2116305553) 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 7 ways as a sum of consecutive naturals, for example, 2828912 + ... + 2829659.

It is an arithmetic number, because the mean of its divisors is an integer number (229172166).

Almost surely, 2^2116305554 is an apocalyptic number.

2116305554 is a deficient number, since it is larger than the sum of its proper divisors (1550449102).

2116305554 is a wasteful number, since it uses less digits than its factorization.

2116305554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658601.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 2116305554 is about 46003.3211192409. The cubic root of 2116305554 is about 1283.8849970433.

The spelling of 2116305554 in words is "two billion, one hundred sixteen million, three hundred five thousand, five hundred fifty-four".