1850116068 has 18 divisors (see below), whose sum is σ = 4676682374. Its totient is φ = 616705344.

The previous prime is 1850116063. The next prime is 1850116129. The reversal of 1850116068 is 8606110581.

It can be written as a sum of positive squares in only one way, i.e., 1836808164 + 13307904 = 42858^2 + 3648^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 51392113 = 1850116068 / (1 + 8 + 5 + 0 + 1 + 1 + 6 + 0 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (1850116063) 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, 25696021 + ... + 25696092.

Almost surely, 2^1850116068 is an apocalyptic number.

1850116068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1850116068 is an abundant number, since it is smaller than the sum of its proper divisors (2826566306).

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

1850116068 is a wasteful number, since it uses less digits than its factorization.

1850116068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51392123 (or 51392118 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 1850116068 is about 43012.9755771442. The cubic root of 1850116068 is about 1227.6266986635.

The spelling of 1850116068 in words is "one billion, eight hundred fifty million, one hundred sixteen thousand, sixty-eight".