1850166683371 has 2 divisors, whose sum is σ = 1850166683372. Its totient is φ = 1850166683370.

The previous prime is 1850166683293. The next prime is 1850166683419. The reversal of 1850166683371 is 1733866610581.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1850166683371 - 2²⁵ = 1850133128939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1850166683671) by changing a digit.

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 as a sum of consecutive naturals, namely, 925083341685 + 925083341686.

It is an arithmetic number, because the mean of its divisors is an integer number (925083341686).

Almost surely, 2^{1850166683371} is an apocalyptic number.

1850166683371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1850166683371 is an equidigital number, since it uses as much as digits as its factorization.

1850166683371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 1850166683371 in words is "one trillion, eight hundred fifty billion, one hundred sixty-six million, six hundred eighty-three thousand, three hundred seventy-one".