1601165343 has 32 divisors (see below), whose sum is σ = 2221632000. Its totient is φ = 1024949376.

The previous prime is 1601165341. The next prime is 1601165353. The reversal of 1601165343 is 3435611061.

It is not a de Polignac number, because 1601165343 - 2¹ = 1601165341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1601165343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601165341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3821188 + ... + 3821606.

It is an arithmetic number, because the mean of its divisors is an integer number (69426000).

Almost surely, 2^1601165343 is an apocalyptic number.

1601165343 is a deficient number, since it is larger than the sum of its proper divisors (620466657).

1601165343 is a wasteful number, since it uses less digits than its factorization.

1601165343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1601165343 is about 40014.5641360743. The cubic root of 1601165343 is about 1169.8909833409.

The spelling of 1601165343 in words is "one billion, six hundred one million, one hundred sixty-five thousand, three hundred forty-three".