116203645 has 4 divisors (see below), whose sum is σ = 139444380. Its totient is φ = 92962912.

The previous prime is 116203621. The next prime is 116203679. The reversal of 116203645 is 546302611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546302611 = 19 ⋅28752769.

It can be written as a sum of positive squares in 2 ways, for example, as 75012921 + 41190724 = 8661^2 + 6418^2 .

It is a cyclic number.

It is not a de Polignac number, because 116203645 - 2⁹ = 116203133 is a prime.

It is a super-2 number, since 2×116203645² = 27006574222572050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11620360 + ... + 11620369.

It is an arithmetic number, because the mean of its divisors is an integer number (34861095).

Almost surely, 2^116203645 is an apocalyptic number.

It is an amenable number.

116203645 is a deficient number, since it is larger than the sum of its proper divisors (23240735).

116203645 is an equidigital number, since it uses as much as digits as its factorization.

116203645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23240734.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 116203645 is about 10779.7794504340. The cubic root of 116203645 is about 487.9851247929.

The spelling of 116203645 in words is "one hundred sixteen million, two hundred three thousand, six hundred forty-five".