1820160198036 has 60 divisors (see below), whose sum is σ = 4800366872532. Its totient is φ = 601350849792.

The previous prime is 1820160197993. The next prime is 1820160198049. The reversal of 1820160198036 is 6308910610281.

1820160198036 is a `hidden beast` number, since 1 + 8 + 2 + 0 + 1 + 601 + 9 + 8 + 0 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 768112016400 + 1052048181636 = 876420^2 + 1025694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1820160197982 and 1820160198000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24820815 + ... + 24894038.

Almost surely, 2^{1820160198036} is an apocalyptic number.

It is an amenable number.

1820160198036 is an abundant number, since it is smaller than the sum of its proper divisors (2980206674496).

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

1820160198036 is a wasteful number, since it uses less digits than its factorization.

1820160198036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49714982 (or 49714971 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 1820160198036 in words is "one trillion, eight hundred twenty billion, one hundred sixty million, one hundred ninety-eight thousand, thirty-six".