2116905798 has 32 divisors (see below), whose sum is σ = 4842696960. Its totient is φ = 604323360.

The previous prime is 2116905761. The next prime is 2116905799. The reversal of 2116905798 is 8975096112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116905799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31113 + ... + 72123.

It is an arithmetic number, because the mean of its divisors is an integer number (151334280).

Almost surely, 2^2116905798 is an apocalyptic number.

2116905798 is an abundant number, since it is smaller than the sum of its proper divisors (2725791162).

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

2116905798 is a wasteful number, since it uses less digits than its factorization.

2116905798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42252.

The product of its (nonzero) digits is 272160, while the sum is 48.

The square root of 2116905798 is about 46009.8445770033. The cubic root of 2116905798 is about 1284.0063675794.

The spelling of 2116905798 in words is "two billion, one hundred sixteen million, nine hundred five thousand, seven hundred ninety-eight".