112616661 has 4 divisors (see below), whose sum is σ = 150155552. Its totient is φ = 75077772.

The previous prime is 112616659. The next prime is 112616677. The reversal of 112616661 is 166616211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166616211 = 3 ⋅55538737.

It is not a de Polignac number, because 112616661 - 2¹ = 112616659 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 (112616681) 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, 18769441 + ... + 18769446.

It is an arithmetic number, because the mean of its divisors is an integer number (37538888).

Almost surely, 2^112616661 is an apocalyptic number.

It is an amenable number.

112616661 is a deficient number, since it is larger than the sum of its proper divisors (37538891).

112616661 is an equidigital number, since it uses as much as digits as its factorization.

112616661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37538890.

The product of its digits is 2592, while the sum is 30.

The square root of 112616661 is about 10612.0997451023. The cubic root of 112616661 is about 482.9115012596.

The spelling of 112616661 in words is "one hundred twelve million, six hundred sixteen thousand, six hundred sixty-one".