116508506 has 4 divisors (see below), whose sum is σ = 174762762. Its totient is φ = 58254252.

The previous prime is 116508487. The next prime is 116508517. The reversal of 116508506 is 605805611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 605805611 = 73 ⋅8298707.

It can be written as a sum of positive squares in only one way, i.e., 76300225 + 40208281 = 8735^2 + 6341^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29127125 + ... + 29127128.

Almost surely, 2^116508506 is an apocalyptic number.

116508506 is a deficient number, since it is larger than the sum of its proper divisors (58254256).

116508506 is an equidigital number, since it uses as much as digits as its factorization.

116508506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58254255.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 116508506 is about 10793.9105981104. The cubic root of 116508506 is about 488.4114961711.

The spelling of 116508506 in words is "one hundred sixteen million, five hundred eight thousand, five hundred six".