116291563 has 4 divisors (see below), whose sum is σ = 116755128. Its totient is φ = 115828000.

The previous prime is 116291561. The next prime is 116291579. The reversal of 116291563 is 365192611.

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

It is a cyclic number.

It is not a de Polignac number, because 116291563 - 2¹ = 116291561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116291561) 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, 231406 + ... + 231907.

It is an arithmetic number, because the mean of its divisors is an integer number (29188782).

Almost surely, 2^116291563 is an apocalyptic number.

116291563 is a deficient number, since it is larger than the sum of its proper divisors (463565).

116291563 is an equidigital number, since it uses as much as digits as its factorization.

116291563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463564.

The product of its digits is 9720, while the sum is 34.

The square root of 116291563 is about 10783.8565921474. The cubic root of 116291563 is about 488.1081612688.

The spelling of 116291563 in words is "one hundred sixteen million, two hundred ninety-one thousand, five hundred sixty-three".