1819730336366 has 8 divisors (see below), whose sum is σ = 2729602769544. Its totient is φ = 909862746520.

The previous prime is 1819730336339. The next prime is 1819730336377. The reversal of 1819730336366 is 6636330379181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1819730336366² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48305 + ... + 1908348.

It is an arithmetic number, because the mean of its divisors is an integer number (341200346193).

Almost surely, 2^{1819730336366} is an apocalyptic number.

1819730336366 is a deficient number, since it is larger than the sum of its proper divisors (909872433178).

1819730336366 is a wasteful number, since it uses less digits than its factorization.

1819730336366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421666.

The product of its (nonzero) digits is 8817984, while the sum is 56.

The spelling of 1819730336366 in words is "one trillion, eight hundred nineteen billion, seven hundred thirty million, three hundred thirty-six thousand, three hundred sixty-six".