2126716537 has 16 divisors (see below), whose sum is σ = 2440756800. Its totient is φ = 1835055040.

The previous prime is 2126716517. The next prime is 2126716547. The reversal of 2126716537 is 7356176212.

It is not a de Polignac number, because 2126716537 - 2¹⁹ = 2126192249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2126716537.

It is not an unprimeable number, because it can be changed into a prime (2126716517) 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 15 ways as a sum of consecutive naturals, for example, 37678 + ... + 75319.

It is an arithmetic number, because the mean of its divisors is an integer number (152547300).

Almost surely, 2^2126716537 is an apocalyptic number.

It is an amenable number.

2126716537 is a deficient number, since it is larger than the sum of its proper divisors (314040263).

2126716537 is a wasteful number, since it uses less digits than its factorization.

2126716537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113096.

The product of its digits is 105840, while the sum is 40.

The square root of 2126716537 is about 46116.3369859316. The cubic root of 2126716537 is about 1285.9868747083.

The spelling of 2126716537 in words is "two billion, one hundred twenty-six million, seven hundred sixteen thousand, five hundred thirty-seven".