1803816180036 has 72 divisors (see below), whose sum is σ = 5092254766144. Its totient is φ = 555020359200.

The previous prime is 1803816180011. The next prime is 1803816180043. The reversal of 1803816180036 is 6300816183081.

1803816180036 is a `hidden beast` number, since 180 + 381 + 61 + 8 + 0 + 0 + 36 = 666.

It is a super-2 number, since 2×1803816180036² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1803816179973 and 1803816180000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71363440 + ... + 71388711.

Almost surely, 2^{1803816180036} is an apocalyptic number.

It is an amenable number.

1803816180036 is an abundant number, since it is smaller than the sum of its proper divisors (3288438586108).

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

1803816180036 is a wasteful number, since it uses less digits than its factorization.

1803816180036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142752183 (or 142752169 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 1803816180036 in words is "one trillion, eight hundred three billion, eight hundred sixteen million, one hundred eighty thousand, thirty-six".