166235635343 has 8 divisors (see below), whose sum is σ = 167065294080. Its totient is φ = 165406371480.

The previous prime is 166235635339. The next prime is 166235635351. The reversal of 166235635343 is 343536532661.

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

It is a cyclic number.

It is not a de Polignac number, because 166235635343 - 2² = 166235635339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166235635543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764096 + ... + 957242.

It is an arithmetic number, because the mean of its divisors is an integer number (20883161760).

Almost surely, 2^166235635343 is an apocalyptic number.

166235635343 is a deficient number, since it is larger than the sum of its proper divisors (829658737).

166235635343 is a wasteful number, since it uses less digits than its factorization.

166235635343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197437.

The product of its digits is 3499200, while the sum is 47.

The spelling of 166235635343 in words is "one hundred sixty-six billion, two hundred thirty-five million, six hundred thirty-five thousand, three hundred forty-three".