2126165063 has 4 divisors (see below), whose sum is σ = 2319452808. Its totient is φ = 1932877320.

The previous prime is 2126165047. The next prime is 2126165071. The reversal of 2126165063 is 3605616212.

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

It is not a de Polignac number, because 2126165063 - 2⁴ = 2126165047 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 (2126165023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96643856 + ... + 96643877.

It is an arithmetic number, because the mean of its divisors is an integer number (579863202).

Almost surely, 2^2126165063 is an apocalyptic number.

2126165063 is a deficient number, since it is larger than the sum of its proper divisors (193287745).

2126165063 is a wasteful number, since it uses less digits than its factorization.

2126165063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193287744.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2126165063 is about 46110.3574373481. The cubic root of 2126165063 is about 1285.8757096609.

The spelling of 2126165063 in words is "two billion, one hundred twenty-six million, one hundred sixty-five thousand, sixty-three".