116151605 has 4 divisors (see below), whose sum is σ = 139381932. Its totient is φ = 92921280.

The previous prime is 116151601. The next prime is 116151613. The reversal of 116151605 is 506151611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57138481 + 59013124 = 7559^2 + 7682^2 .

It is not a de Polignac number, because 116151605 - 2² = 116151601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116151601) 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, 11615156 + ... + 11615165.

It is an arithmetic number, because the mean of its divisors is an integer number (34845483).

Almost surely, 2^116151605 is an apocalyptic number.

It is an amenable number.

116151605 is a deficient number, since it is larger than the sum of its proper divisors (23230327).

116151605 is an equidigital number, since it uses as much as digits as its factorization.

116151605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23230326.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 116151605 is about 10777.3654016183. The cubic root of 116151605 is about 487.9122683929.

The spelling of 116151605 in words is "one hundred sixteen million, one hundred fifty-one thousand, six hundred five".