2116880537 has 4 divisors (see below), whose sum is σ = 2125314576. Its totient is φ = 2108446500.

The previous prime is 2116880531. The next prime is 2116880543. The reversal of 2116880537 is 7350886112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2116880531) and next prime (2116880543).

It is a cyclic number.

It is not a de Polignac number, because 2116880537 - 2⁸ = 2116880281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2116880494 and 2116880503.

It is not an unprimeable number, because it can be changed into a prime (2116880531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4216643 + ... + 4217144.

It is an arithmetic number, because the mean of its divisors is an integer number (531328644).

Almost surely, 2^2116880537 is an apocalyptic number.

It is an amenable number.

2116880537 is a deficient number, since it is larger than the sum of its proper divisors (8434039).

2116880537 is an equidigital number, since it uses as much as digits as its factorization.

2116880537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8434038.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 2116880537 is about 46009.5700588475. The cubic root of 2116880537 is about 1284.0012602172.

The spelling of 2116880537 in words is "two billion, one hundred sixteen million, eight hundred eighty thousand, five hundred thirty-seven".