166668353335 has 16 divisors (see below), whose sum is σ = 227670289920. Its totient is φ = 115943201440.

The previous prime is 166668353329. The next prime is 166668353347. The reversal of 166668353335 is 533353866661.

It is not a de Polignac number, because 166668353335 - 2¹⁷ = 166668222263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 65875555 + ... + 65878084.

It is an arithmetic number, because the mean of its divisors is an integer number (14229393120).

Almost surely, 2^166668353335 is an apocalyptic number.

166668353335 is a deficient number, since it is larger than the sum of its proper divisors (61001936585).

166668353335 is a wasteful number, since it uses less digits than its factorization.

166668353335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131753678.

The product of its digits is 20995200, while the sum is 55.

The spelling of 166668353335 in words is "one hundred sixty-six billion, six hundred sixty-eight million, three hundred fifty-three thousand, three hundred thirty-five".