1820206467162 has 24 divisors (see below), whose sum is σ = 3988092824820. Its totient is φ = 599918235840.

The previous prime is 1820206467143. The next prime is 1820206467173. The reversal of 1820206467162 is 2617646020281.

1820206467162 is a `hidden beast` number, since 1 + 8 + 2 + 0 + 20 + 6 + 467 + 162 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1734117625881 + 86088841281 = 1316859^2 + 293409^2 .

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, 568102789 + ... + 568105992.

Almost surely, 2^{1820206467162} is an apocalyptic number.

1820206467162 is an abundant number, since it is smaller than the sum of its proper divisors (2167886357658).

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

1820206467162 is a wasteful number, since it uses less digits than its factorization.

1820206467162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136208878 (or 1136208875 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 1820206467162 in words is "one trillion, eight hundred twenty billion, two hundred six million, four hundred sixty-seven thousand, one hundred sixty-two".