3420203165 has 16 divisors (see below), whose sum is σ = 4127105280. Its totient is φ = 2720952000.

The previous prime is 3420203153. The next prime is 3420203173. The reversal of 3420203165 is 5613020243.

It is not a de Polignac number, because 3420203165 - 2⁸ = 3420202909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518290 + ... + 1520540.

It is an arithmetic number, because the mean of its divisors is an integer number (257944080).

Almost surely, 2^3420203165 is an apocalyptic number.

It is an amenable number.

3420203165 is a deficient number, since it is larger than the sum of its proper divisors (706902115).

3420203165 is a wasteful number, since it uses less digits than its factorization.

3420203165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 3420203165 is about 58482.5030671568. The cubic root of 3420203165 is about 1506.6670879070.

The spelling of 3420203165 in words is "three billion, four hundred twenty million, two hundred three thousand, one hundred sixty-five".