1806955874150 has 48 divisors (see below), whose sum is σ = 3847968330336. Its totient is φ = 618415403520.

The previous prime is 1806955874099. The next prime is 1806955874209. The reversal of 1806955874150 is 514785596081.

It is a super-2 number, since 2×1806955874150² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1806955874150.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4439459 + ... + 4829358.

It is an arithmetic number, because the mean of its divisors is an integer number (80166006882).

Almost surely, 2^{1806955874150} is an apocalyptic number.

1806955874150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1806955874150 is an abundant number, since it is smaller than the sum of its proper divisors (2041012456186).

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

1806955874150 is a wasteful number, since it uses less digits than its factorization.

1806955874150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9269393 (or 9269388 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 59.

The spelling of 1806955874150 in words is "one trillion, eight hundred six billion, nine hundred fifty-five million, eight hundred seventy-four thousand, one hundred fifty".