116215637 has 2 divisors, whose sum is σ = 116215638. Its totient is φ = 116215636.

The previous prime is 116215597. The next prime is 116215643. The reversal of 116215637 is 736512611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115047076 + 1168561 = 10726^2 + 1081^2 .

It is an emirp because it is prime and its reverse (736512611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116215637 - 2²² = 112021333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116211637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58107818 + 58107819.

It is an arithmetic number, because the mean of its divisors is an integer number (58107819).

Almost surely, 2^116215637 is an apocalyptic number.

It is an amenable number.

116215637 is a deficient number, since it is larger than the sum of its proper divisors (1).

116215637 is an equidigital number, since it uses as much as digits as its factorization.

116215637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 116215637 is about 10780.3356626777. The cubic root of 116215637 is about 488.0019106012.

The spelling of 116215637 in words is "one hundred sixteen million, two hundred fifteen thousand, six hundred thirty-seven".