116434561 has 8 divisors (see below), whose sum is σ = 117165224. Its totient is φ = 115706880.

The previous prime is 116434559. The next prime is 116434567. The reversal of 116434561 is 165434611.

It can be written as a sum of positive squares in 4 ways, for example, as 49914225 + 66520336 = 7065^2 + 8156^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116434561 - 2¹ = 116434559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116434567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201505 + ... + 202081.

It is an arithmetic number, because the mean of its divisors is an integer number (14645653).

Almost surely, 2^116434561 is an apocalyptic number.

It is an amenable number.

116434561 is a deficient number, since it is larger than the sum of its proper divisors (730663).

116434561 is an equidigital number, since it uses as much as digits as its factorization.

116434561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491.

The product of its digits is 8640, while the sum is 31.

The square root of 116434561 is about 10790.4847435136. The cubic root of 116434561 is about 488.3081468319.

Subtracting 116434561 from its reverse (165434611), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 116434561 in words is "one hundred sixteen million, four hundred thirty-four thousand, five hundred sixty-one".