1850166683293 has 2 divisors, whose sum is σ = 1850166683294. Its totient is φ = 1850166683292.

The previous prime is 1850166683269. The next prime is 1850166683371. The reversal of 1850166683293 is 3923866610581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1535088786169 + 315077897124 = 1238987^2 + 561318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1850166683293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1850166683693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 925083341646 + 925083341647.

It is an arithmetic number, because the mean of its divisors is an integer number (925083341647).

Almost surely, 2^{1850166683293} is an apocalyptic number.

It is an amenable number.

1850166683293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1850166683293 is an equidigital number, since it uses as much as digits as its factorization.

1850166683293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 1850166683293 in words is "one trillion, eight hundred fifty billion, one hundred sixty-six million, six hundred eighty-three thousand, two hundred ninety-three".