101583445165 has 4 divisors (see below), whose sum is σ = 121900134204. Its totient is φ = 81266756128.

The previous prime is 101583445127. The next prime is 101583445177. The reversal of 101583445165 is 561544385101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18232290729 + 83351154436 = 135027^2 + 288706^2 .

It is a cyclic number.

It is not a de Polignac number, because 101583445165 - 2¹⁹ = 101582920877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10158344512 + ... + 10158344521.

It is an arithmetic number, because the mean of its divisors is an integer number (30475033551).

Almost surely, 2^101583445165 is an apocalyptic number.

It is an amenable number.

101583445165 is a deficient number, since it is larger than the sum of its proper divisors (20316689039).

101583445165 is an equidigital number, since it uses as much as digits as its factorization.

101583445165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20316689038.

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 101583445165 in words is "one hundred one billion, five hundred eighty-three million, four hundred forty-five thousand, one hundred sixty-five".