166003653343 has 8 divisors (see below), whose sum is σ = 181098619776. Its totient is φ = 150909307800.

The previous prime is 166003653341. The next prime is 166003653461. The reversal of 166003653343 is 343356300661.

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 166003653343 - 2¹ = 166003653341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166003653296 and 166003653305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166003653341) 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 in 7 ways as a sum of consecutive naturals, for example, 538728 + ... + 788818.

It is an arithmetic number, because the mean of its divisors is an integer number (22637327472).

Almost surely, 2^166003653343 is an apocalyptic number.

166003653343 is a deficient number, since it is larger than the sum of its proper divisors (15094966433).

166003653343 is a wasteful number, since it uses less digits than its factorization.

166003653343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310445.

The product of its (nonzero) digits is 349920, while the sum is 40.

The spelling of 166003653343 in words is "one hundred sixty-six billion, three million, six hundred fifty-three thousand, three hundred forty-three".