112661641 has 4 divisors (see below), whose sum is σ = 112720000. Its totient is φ = 112603284.

The previous prime is 112661609. The next prime is 112661651. The reversal of 112661641 is 146166211.

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: 146166211 = 701 ⋅208511.

It is a cyclic number.

It is not a de Polignac number, because 112661641 - 2⁵ = 112661609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112661651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26181 + ... + 30178.

It is an arithmetic number, because the mean of its divisors is an integer number (28180000).

Almost surely, 2^112661641 is an apocalyptic number.

It is an amenable number.

112661641 is a deficient number, since it is larger than the sum of its proper divisors (58359).

112661641 is an equidigital number, since it uses as much as digits as its factorization.

112661641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58358.

The product of its digits is 1728, while the sum is 28.

The square root of 112661641 is about 10614.2188125175. The cubic root of 112661641 is about 482.9757856141.

The spelling of 112661641 in words is "one hundred twelve million, six hundred sixty-one thousand, six hundred forty-one".