1660951141211 has 2 divisors, whose sum is σ = 1660951141212. Its totient is φ = 1660951141210.

The previous prime is 1660951141183. The next prime is 1660951141217. The reversal of 1660951141211 is 1121411590661.

It is a strong prime.

It is an emirp because it is prime and its reverse (1121411590661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1660951141211 - 2¹⁸ = 1660950879067 is a prime.

It is a super-3 number, since 3×1660951141211³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1660951141217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830475570605 + 830475570606.

It is an arithmetic number, because the mean of its divisors is an integer number (830475570606).

Almost surely, 2^{1660951141211} is an apocalyptic number.

1660951141211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660951141211 is an equidigital number, since it uses as much as digits as its factorization.

1660951141211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 38.

The spelling of 1660951141211 in words is "one trillion, six hundred sixty billion, nine hundred fifty-one million, one hundred forty-one thousand, two hundred eleven".