1911818682 has 12 divisors (see below), whose sum is σ = 4142273850. Its totient is φ = 637272888.

The previous prime is 1911818651. The next prime is 1911818683. The reversal of 1911818682 is 2868181191.

1911818682 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1676165481 + 235653201 = 40941^2 + 15351^2 .

It is not an unprimeable number, because it can be changed into a prime (1911818683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53106057 + ... + 53106092.

Almost surely, 2^1911818682 is an apocalyptic number.

1911818682 is an abundant number, since it is smaller than the sum of its proper divisors (2230455168).

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

1911818682 is a wasteful number, since it uses less digits than its factorization.

1911818682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106212157 (or 106212154 counting only the distinct ones).

The product of its digits is 55296, while the sum is 45.

The square root of 1911818682 is about 43724.3488459234. The cubic root of 1911818682 is about 1241.1251238757.

The spelling of 1911818682 in words is "one billion, nine hundred eleven million, eight hundred eighteen thousand, six hundred eighty-two".