1800161579350 has 48 divisors (see below), whose sum is σ = 3374067295872. Its totient is φ = 714544047360.

The previous prime is 1800161579347. The next prime is 1800161579393. The reversal of 1800161579350 is 539751610081.

It is a self number, because there is not a number n which added to its sum of digits gives 1800161579350.

It is a congruent number.

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, 3232044 + ... + 3747856.

It is an arithmetic number, because the mean of its divisors is an integer number (70293068664).

Almost surely, 2^{1800161579350} is an apocalyptic number.

1800161579350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1800161579350 is a deficient number, since it is larger than the sum of its proper divisors (1573905716522).

1800161579350 is a wasteful number, since it uses less digits than its factorization.

1800161579350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516361 (or 516356 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 1800161579350 in words is "one trillion, eight hundred billion, one hundred sixty-one million, five hundred seventy-nine thousand, three hundred fifty".